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Frequently asked questions about suitable electric showers!

  • 01-05-2009 5:00pm
    #1
    Registered Users, Registered Users 2 Posts: 10,262 ✭✭✭✭


    There are many types of shower on the market today. Many buyers are traditional in there methods of buying and usually relie on price rather than model. This is a mistake as different functions of showers call for different prices.

    Pumped Electric Showers
    This the most common type of shower on the market that is electric powered supply.The water is pumped and heated at the same time. This provides instant hot water which is useful if you fail to set the immersion however it is a little louder than all the other showers. This uses cold water from the attic storage tank. This must not be connected to a mains water .This is available in many power sizes ie 8.5 / 9.5 /10.8 however becuase of the irish system of electric only arriving at 220volts you will generally only get 8.5 kw no matter what model you go for. Its life span varies but usually suffers from over use becuase its the most convienent shower. Eg Triton T90/ Mira Elite 2 / Redring pumped electric shower.

    Power Shower
    This is probably the second most popular model of shower. What this does is take cold water from the attic storage tank and hot water from the hot press cylinder. This generally tends to be slightly quiter than the pumped electric but the disadvantage is that it relies on a store of hot water. People usually install this as a second shower because they dont need the second one to be instant hot and You cannot fit a second pumped electric shower without fitting a special switch which only allows one shower work at a time and this usually proves expensive.

    You do not need to do this with a powershower and pumped electric shower fit together but ask your electrician for advice on your own grid. Because the power shower only pumps the water it generally pumps at a higher pressure giving an exhilarating and invigorating shower. However the downside is if you forget to set the boiler for hot water you will be having a cold shower. Becuase the hot water in the tank can be at different temperatures power showers can be bought with or without thermostats Eg: Aqualisa power shower. Redring 520 Expressions Triton AS2000

    Electric Showers
    Electric showers take cold water direct from the mains and heat it as it passes through the shower. This gives instant hot water so no need to have stored hot water. These relie on good mains pressure and will not work well if mains is bad. Better to have a plumber check your mains pressure. These come in many different wattages and the higher the wattage the better the heater.These are sometimes used in attic conversions because the shower is above the tank. Eg: Triton T80/Redring Selectronic Thermostatic shower.

    Mixer Showers
    Lastly there is mixer showers. These are generally not electric. They do the exact same thing as the power shower except they do not have a pump. Ie They take hot water from the cylinder and cold water from the attic tank.They usually rely on gravity and a stored cylinder of hot water. However where attic conversions are done a booster pump is usually fitted to these because the dropping of the tank causes a drop of pressure. These come in thermostatic and manual. In the last number of years builders have in general fitted the cheaper manual shower with fixed head however the most prefered one by far is a thermostatic one with a riser rail kit. Eg: Most of the brass bodied chrome showers abailable on the market with or without riser rail kits.[/SIZE][/FONT]

    Special note: This information is solely for information purposes only. Please varify all this in the shop you are buying the shower to ensure there has been no change in specification that renders the showers mentioned above unsuitable for your application.

    oh and happy showering!


«13

Comments

  • Moderators, Home & Garden Moderators, Technology & Internet Moderators, Regional East Moderators Posts: 12,641 Mod ✭✭✭✭2011


    A well written and informative post Joey. Just a little point or 2
    This is available in many power sizes ie 8.5 / 9.5 /10.8 however becuase of the irish system of electric only arriving at 220volts you will generally only get 8.5 kw no matter what model you go for

    With the Irish system we get 230 volts. Most domestic connections are 12kVA and there is also a larger 16kVA supply available for the last few years. The standard 12kVA domestic connection is considerably larger connection capacity than many countries in the EU. In France for example you are not permitted to have a single load as large as 8.5kW in a domestic installation.

    I know several homes in Ireland with a 9.5 kW Trition T90 showers.

    BTW the Triton T80 (8.5kW) is designed to be fed from the mains water supply instead of the tank in the attic (unlike the T90).


  • Registered Users, Registered Users 2 Posts: 589 ✭✭✭danjo


    Electric Showers
    Electric showers take cold water direct from the mains and heat it as it passes through the shower. This gives instant hot water so no need to have stored hot water. These relie on good mains pressure and will not work well if mains is bad. Better to have a plumber check your mains pressure. These come in many different wattages and the higher the wattage the better the heater.These are sometimes used in attic conversions because the shower is above the tank. Eg: Triton T80/Redring Selectronic Thermostatic shower.

    Great information Joey. One question relating to the Electric shower...is it possible to connect this to the immersion tank instead of the mains? Reason being to use hot water when available in the tank.


  • Registered Users, Registered Users 2 Posts: 19,340 CMod ✭✭✭✭Davy


    danjo wrote: »
    Great information Joey. One question relating to the Electric shower...is it possible to connect this to the immersion tank instead of the mains? Reason being to use hot water when available in the tank.

    That would be a mixer shower and not an electric shower.


  • Closed Accounts Posts: 1,712 ✭✭✭davelerave


    2011 wrote: »
    A well written and informative post Joey. Just a little point or 2



    With the Irish system we get 230 volts. Most domestic connections are 12kVA and there is also a larger 16kVA supply available for the last few years. The standard 12kVA domestic connection is considerably larger connection capacity than many countries in the EU. In France for example you are not permitted to have a single load as large as 8.5kW in a domestic installation.

    I know several homes in Ireland with a 9.5 kW Trition T90 showers.

    BTW the Triton T80 (8.5kW) is designed to be fed from the mains water supply instead of the tank in the attic (unlike the T90).

    there's also 21kva and 29kva in single phase subject to availability.


  • Registered Users, Registered Users 2 Posts: 10,262 ✭✭✭✭Joey the lips


    Davy wrote: »
    That would be a mixer shower and not an electric shower.


    correct, it would also be a power shower


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  • Registered Users, Registered Users 2 Posts: 10,262 ✭✭✭✭Joey the lips


    Thanks guys for the electrical guidence. I am not perfect and knowledge shareing works by me. Thanks


  • Registered Users, Registered Users 2 Posts: 10,262 ✭✭✭✭Joey the lips


    2011 wrote: »
    A well written and informative post Joey. Just a little point or 2



    With the Irish system we get 230 volts. Most domestic connections are 12kVA and there is also a larger 16kVA supply available for the last few years. The standard 12kVA domestic connection is considerably larger connection capacity than many countries in the EU. In France for example you are not permitted to have a single load as large as 8.5kW in a domestic installation.

    I know several homes in Ireland with a 9.5 kW Trition T90 showers.

    BTW the Triton T80 (8.5kW) is designed to be fed from the mains water supply instead of the tank in the attic (unlike the T90).

    I said the T80 is a mains shower but is normally used in attic conversions becase the T90 cant


  • Moderators, Home & Garden Moderators, Technology & Internet Moderators, Regional East Moderators Posts: 12,641 Mod ✭✭✭✭2011


    there's also 21kva and 29kva in single phase subject to availability.
    Are you sure? I have never heard of this.

    The application form for new domestic connections (and increase of existing connection) describes the 16kVA as "maximum".

    http://www.esb.ie/esbnetworks/downloads/domestic_new_connection.pdf

    I said the T80 is a mains shower
    Sorry, my bad.
    Like I said, a very good post.


  • Closed Accounts Posts: 1,712 ✭✭✭davelerave


    2011 wrote: »
    Are you sure? I have never heard of this.

    The application form for new domestic connections (and increase of existing connection) describes the 16kVA as "maximum".

    http://www.esb.ie/esbnetworks/downloads/domestic_new_connection.pdf



    Sorry, my bad.
    Like I said, a very good post.

    they're ct metered single-phase .they cost a few thousand for the mv network.have only seen for commercial but have been implemented for domestic.
    http://www.boards.ie/vbulletin/showthread.php?t=2055472293&page=2


  • Moderators, Home & Garden Moderators, Technology & Internet Moderators, Regional East Moderators Posts: 12,641 Mod ✭✭✭✭2011


    they're ct metered single-phase .they cost a few thousand for the mv network.have only seen for commercial but have been implemented for domestic.
    Thanks for that. You are correct. Very interesting!!

    I cant see why someone would want this though. If a 16kVA single phase supply is not large enough the best thing to do would be to a get 3 phase supply IMHO. Then you can have all of the advantages of 3 phase (there are many) and have as large a supply as you want.

    The only advantage would be that perhaps the expense of getting 3 phase installed in some cases would be far more that getting one of these large single phase supplies.


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  • Closed Accounts Posts: 1,712 ✭✭✭davelerave


    2011 wrote: »
    Thanks for that. You are correct. Very interesting!!

    I cant see why someone would want this though. If a 16kVA single phase supply is not large enough the best thing to do would be to a get 3 phase supply IMHO. Then you can have all of the advantages of 3 phase (there are many) and have as large a supply as you want.

    The only advantage would be that perhaps the expense of getting 3 phase installed in some cases would be far more that getting one of these large single phase supplies.

    i think the esb favour the higher-capacity SP supplies for commercial and technical reasons( for some domestic).depends on the size of sp loads and what's available nearby.a single phase mv supply is sometimes the only available in rural areas.the 16kva and larger are suited to large inductive SP loads because of connection to mv network via transformer.


  • Moderators, Home & Garden Moderators, Technology & Internet Moderators, Regional East Moderators Posts: 12,641 Mod ✭✭✭✭2011


    a single phase mv supply is sometimes the only available in rural areas
    This is what I was thinking.
    16kva and larger are suited to large inductive SP loads because of connection to mv network via transformer.
    What do you mean?

    All 1ph loads (inductive or otherwise) are connected to the network through an ESB transformer at some point.


  • Closed Accounts Posts: 1,712 ✭✭✭davelerave


    voltage drop .enhanced supplies and larger SP supplies are connected direct to transformer (mv is brought to edge of site for rural).whereas 12kva and standard 3-phase may be connected to 230v LV some distance from nearest trafo.ie:supply capacity and quality.voltage tolerance i 5% i think but heat pumps are a different story


  • Registered Users, Registered Users 2 Posts: 19,340 CMod ✭✭✭✭Davy


    Three phase may not even be available in the city. A lot of dublin city still has old concentirc cables which aren't 3 phases.


  • Registered Users, Registered Users 2 Posts: 98 ✭✭enmac


    danjo wrote: »
    Great information Joey. One question relating to the Electric shower...is it possible to connect this to the immersion tank instead of the mains? Reason being to use hot water when available in the tank.

    the way i'm interpreting this question is that you are thinking that you won't use as much electricty if the water is somewhat warm already /

    the main problem is that you only have a single supply to the shower and the water from the cylinder could be far too hot to have a shower


  • Registered Users, Registered Users 2 Posts: 10,262 ✭✭✭✭Joey the lips


    enmac wrote: »
    the way i'm interpreting this question is that you are thinking that you won't use as much electricty if the water is somewhat warm already /

    the main problem is that you only have a single supply to the shower and the water from the cylinder could be far too hot to have a shower


    You cant ever have a single supply to a shower unless its a T90 and it would not be coming from a cylinder it comes from the attic so I dont think you are inter it correctly! Sorry!


  • Registered Users, Registered Users 2 Posts: 589 ✭✭✭danjo


    enmac wrote: »
    the way i'm interpreting this question is that you are thinking that you won't use as much electricty if the water is somewhat warm already /

    the main problem is that you only have a single supply to the shower and the water from the cylinder could be far too hot to have a shower

    Yes, that was what I was thinking alright. I now see that it could not work, as you say, the water could be far too hot.
    Thanks,

    danjo


  • Registered Users, Registered Users 2 Posts: 10,262 ✭✭✭✭Joey the lips


    danjo wrote: »
    Yes, that was what I was thinking alright. I now see that it could not work, as you say, the water could be far too hot.
    Thanks,

    danjo


    The two of you need to be a little careful, you cannot plumb one supply to any shower except the T80( Must only be mains cold) and the T90(must only be tank cold) and while in reality this is possible to plumb one hot supply to the T80 and the T90, The T80 wont work cause the pressure wont be high enough and if by some act of god it did work you would have no way to cool the water. In the case of the T90 the same

    In a nut shell(and forgive me) if this is being contemplated considered or done you have not a clue how showers operate so be very careful if not for your sakes for those using. Thanks


  • Registered Users, Registered Users 2 Posts: 589 ✭✭✭danjo


    No need for forgiveness Joey. It was merely a question which has been answered. ;)

    Thanks,

    danjo


  • Registered Users, Registered Users 2 Posts: 98 ✭✭enmac


    You cant ever have a single supply to a shower unless its a T90 and it would not be coming from a cylinder it comes from the attic so I dont think you are inter it correctly! Sorry!


    Joey,

    It looks like i was interpreting the question correctly after all !
    No need for any apologies mate :)


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  • Registered Users, Registered Users 2 Posts: 10,262 ✭✭✭✭Joey the lips


    enmac wrote: »
    Joey,

    It looks like i was interpreting the question correctly after all !
    No need for any apologies mate :)

    I see that I was amazed you both could be mistaken in that way so yes I apologise for assuming but at least you both understand now

    its all shareing of info which is good


  • Registered Users, Registered Users 2 Posts: 98 ✭✭enmac


    I see that I was amazed you both could be mistaken in that way so yes I apologise for assuming but at least you both understand now

    its all shareing of info which is good

    Joey,

    I don't mean to go on about this but in your posts you have basically stated that I don't know how various electric showers work - you've used the words, mistaken, little careful, not a clue..

    I have clearly answered the question posed by Danjo and He has acknowledged it.

    You obviously have an indepth knowledge of showers and I'm not questioning that, but I fail to see how you can criticise my posts

    Please point out where I was wrong


  • Registered Users, Registered Users 2 Posts: 10,262 ✭✭✭✭Joey the lips


    enmac wrote: »
    Joey,

    I don't mean to go on about this but in your posts you have basically stated that I don't know how various electric showers work - you've used the words, mistaken, little careful, not a clue..

    I have clearly answered the question posed by Danjo and He has acknowledged it.

    You obviously have an indepth knowledge of showers and I'm not questioning that, but I fail to see how you can criticise my posts

    Please point out where I was wrong

    We are just crossing incorrectly and you are thinking the worst, dont. its just a misunderstanding. My understanding is you both thought you could connect a shower to the hot only. You cant i thought thats what you figured if you did not and I am misunderstanding fine. The only reason I added the comment is it was me how corrected you first for which I am sorry


  • Closed Accounts Posts: 74 ✭✭Kiniska


    Hi Joey,

    Not to confuse this any more, but can you have an electric mixer shower. That uses both hot and cold water lines and heats the water if the hot isn't hot enough?


  • Registered Users, Registered Users 2 Posts: 10,262 ✭✭✭✭Joey the lips


    Kiniska wrote: »
    Hi Joey,

    Not to confuse this any more, but can you have an electric mixer shower. That uses both hot and cold water lines and heats the water if the hot isn't hot enough?

    No not as such but some comes are doing a new shower that heats small qtys of water in a box behind the shower say in a hot press. The closest you come is

    Power shower 2 feeds stored hot water

    Pumped electric shower 1 feed- cold water

    I welcome any new knowledge if known always. Its about shareing nreally


  • Registered Users, Registered Users 2 Posts: 10,952 ✭✭✭✭Stoner


    Jebus lads, start a new thread!!!

    Unless someone wants an MV shower cabled in speaker wire :)


  • Closed Accounts Posts: 8 mahoney.john


    Mixer Showers
    Lastly there is mixer showers. These are generally not electric. They do the exact same thing as the power shower except they do not have a pump. Ie They take hot water from the cylinder and cold water from the attic tank.They usually rely on gravity and a stored cylinder of hot water. However where attic conversions are done a booster pump is usually fitted to these because the dropping of the tank causes a drop of pressure. These come in thermostatic and manual. In the last number of years builders have in general fitted the cheaper manual shower with fixed head however the most prefered one by far is a thermostatic one with a riser rail kit. Eg: Most of the brass bodied chrome showers abailable on the market with or without riser rail kits.[/size][/font]

    Special note: This information is solely for information purposes only. Please varify all this in the shop you are buying the shower to ensure there has been no change in specification that renders the showers mentioned above unsuitable for your application.

    oh and happy showering!

    hi,
    the info you provided is really very useful


  • Registered Users, Registered Users 2 Posts: 10,262 ✭✭✭✭Joey the lips


    hi,
    the info you provided is really very useful


    Thank you. If you need any further help just ask. I also do public speaking on the subject if you would like me to give a talk. I am reasonably priced. I will PM you my managers no if you want. :D:D:D:D:D


  • Registered Users, Registered Users 2 Posts: 10,262 ✭✭✭✭Joey the lips


    Information on electric showers as requested


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  • Registered Users, Registered Users 2 Posts: 128 ✭✭Scorpio Girl


    i have a power shower that i need to heat the water for. every morning the immersion comes on for an hour, i have a shower, maybe 7 minutes long and that's about all the hot water i get from having the immersion on for an hour. is this right or do i need to get something checked out?


  • Registered Users, Registered Users 2 Posts: 10,262 ✭✭✭✭Joey the lips


    i have a power shower that i need to heat the water for. every morning the immersion comes on for an hour, i have a shower, maybe 7 minutes long and that's about all the hot water i get from having the immersion on for an hour. is this right or do i need to get something checked out?

    With a power shower thats perfectly normal. You can get it switched to a pumped electric which will heat water on demand but as its only yourself I dont think its worth the money. Just set your thermostat to bath and out it on a bit longer and you will get a little longer.

    The length will depend on the power within the shower


  • Registered Users, Registered Users 2 Posts: 128 ✭✭Scorpio Girl


    thanks for that joey the lips.


  • Registered Users, Registered Users 2 Posts: 983 ✭✭✭bog master


    Have just moved to a new house, ie rented accomodation. Two showers, a Triton in the main bathroom and a power shower in the en suite. Now I know the power shower pulls the hot water from the immersion tank, which is one that is lagged all over with that green foam type insulation.Now once the central heating is being used, the water will obviously be heated up. But how can you tell how much or is the water hot enough?

    Is there a temp sensor that could be fitted to the tank telling the temp?


  • Closed Accounts Posts: 193 ✭✭Stratocaster


    i have a power shower that i need to heat the water for. every morning the immersion comes on for an hour, i have a shower, maybe 7 minutes long and that's about all the hot water i get from having the immersion on for an hour. is this right or do i need to get something checked out?
    With a power shower thats perfectly normal. You can get it switched to a pumped electric which will heat water on demand but as its only yourself I dont think its worth the money. Just set your thermostat to bath and out it on a bit longer and you will get a little longer.

    The length will depend on the power within the shower

    Joey you were kind enough to comment on my advice which I don't mind. When you start to include childish insults I do mind. I have briefly read over your shower thread there's a few things I can comment on but this will do for now.

    I shouldn't have to write this up, a lone occupant should be able to stay in a shower for over 7mins with a shower supplied by a standard cylinder, heated for one hour.

    Scorpio Girl has a power shower with a problem, its only lasting approx 7mins with an immersion on for one full hour. Scorpio Girl has not stated which immersion setting is used. I feel an immersion set to either bath or sink for one full hour is sufficient enough to heat the majority of the cylinder and provide a lengthy shower.

    Lets say its a typical Irish house with 117ltrs of stored hot water. The cylinder is located close to the power shower. A power showers average flow rate is 6 to 15ltr per min approx. Remember this is both hot and cold so its true to say a good average of hot water flow rate would be around 8ltr per min.

    Scorpio Girl is enjoying her shower but it only lasts for 7mins before getting cold. To me Scorpio Girl is experiencing a problem and must be looked at.

    7mins at 8ltr per min shouldn't empty the cylinder. As you draw the hot water from the cylinder cold water enters and cools the hot water stored to some extent. With this factor in mind I believe Scorpio Girl should be able to stay and enjoy her shower for another 4 to 5 min.

    To me the immersion is not heating the cylinder to its full potential and may be need to be adjusted to increase the temperature or may have some limescale build up which requires replacing.


  • Closed Accounts Posts: 193 ✭✭Stratocaster


    Here is some information which is in general not passed out by shower sales representatives or interior designers.

    Electric element showers pumped or non pumped.

    Expensive running costs, susceptible to damage from limescale. An un known life span depending on water quality and the amount of use. Noisy to use. Ascetics (looks) are dependent on price range. The flow rate is dependent on temperature of cold supply and temperature setting to shower head. Based on a quick Google search of 3 leading manufactures. Flow rates form 4ltr to 6ltr per minute. Guarantees from 1 to 3 years.

    Pumped or power showers.

    Less running costs compared to an electric element shower. Susceptible to damage from limescale. An un known life span depending on water quality and amount of use. Noisy to use. Ascetics (looks) are dependent on price range. Flow rates are dependent on price range. Based on a quick Google search of 3 leading manufactures. Flow rates from 6ltr to 15lt per minute. Guarantees from 1 to 3 years.

    Thermostatic cartridge shower mixing valves.

    No electrical running costs. Can be susceptible to damage from limescale. Thermostatic cartridge is sensitive to quality and temperature of water. Maintenance of the cartridge may be required. Ascetics (looks) are dependent on price range. Flow rates depended upon supply and shower head. Google search of 3 leading manufactures. Flow rates from 18ltr to 45ltr per minute with a pressurized supply 1.5 to 4 bar. Guarantees from 3 to 5 years.

    Manual shower mixing valves.

    No electrical running costs. Can be susceptible to damage from limescale but less susceptible than all of the above. Shower water temperature can vary while in use. Scalding risks from an un controlled hot water supply. Ascetics (looks) are dependent on price range. Flow rates depended upon supply and shower head. Google search of 3 leading manufactures. Flow rates from 18ltr to 45ltr per minute with a pressurized supply 1.5 to 4 bar. Guarantees from 3 to 5 years.

    Shower heads. Flexible hose with adjustable rail.

    Quality and ascetics (looks) are dependent on price range. Might become blocked, loose, damaged, broken, kinked. Might require replacements and shower head cleaning.

    Shower heads. Fixed.

    Quality and ascetics (looks) are dependent on price range. No height adjustment available. Shower head might require unblocking.


    I have taken the time to write this up as I feel a shower is an important area within a household, for some it is the most and you should be made aware of all the factors. I am providing this information based on over 10 qualified years in the plumbing industry backed up by a Google search on the main manufactures specifications.


    My Ideal shower would be a double outlet thermostatic cartridge shower mixing valve with pressurized supply. Fixed head with a small hand set for hair washing etc.

    This alternative to me is best as it minimizes all the disadvantages you see listed above and in general will outlast electric/power showers. It will deliver a powerful shower similar to those you have experienced in top Hotels.

    This system can be installed in both new build and retro fit shower replacements. There may be some other additions within your plumbing system to facilitate a shower of this performance. These additions are best discussed on site with your qualified plumber.


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  • Registered Users, Registered Users 2 Posts: 10,262 ✭✭✭✭Joey the lips


    Joey you were kind enough to comment on my advice which I don't mind. When you start to include childish insults I do mind. I have briefly read over your shower thread there's a few things I can comment on but this will do for now.

    .


    There is noting childish about what I have said I do apologise if I have offended I can point out all the mistakes but that would be childish. What I have suggested is standard, Its a test, why cause most people actually do not set showers an hour before, what most women do is get up use all the hot water washing there hair then expect to have hot water for a shower. Simply setting it an hour earlier will confirm if this is the case.

    Most people on this topic want a DIY solution not a trades man to call around,


  • Closed Accounts Posts: 193 ✭✭Stratocaster


    There is noting childish about what I have said I do apologise if I have offended I can point out all the mistakes but that would be childish. What I have suggested is standard, Its a test, why cause most people actually do not set showers an hour before, what most women do is get up use all the hot water washing there hair then expect to have hot water for a shower. Simply setting it an hour earlier will confirm if this is the case.

    Most people on this topic want a DIY solution not a trades man to call around,

    Your comments towards my experience are childish comments based on quick assumptions. You are welcome to go over my posts and make me aware of any mistakes I have made with regard to showers. I mentioned a showers life expectancy based on my own experiences, with out stating its from my experiences. That is the only partial mistake I have made to my knowledge.

    If you take the time and actually read the information in detail you will in fact see some of my comments are backed up with real life experiences expressed by the posters.

    You make reference to a "DIY" solution is required not a "trades man" solution. A trades mans solution is a qualified solution not a DIY solution. Some of the matters raised in the DIY thread require a qualified solution for obvious health and safety reasons, not a DIY solution which can effect the health and safety of others.

    I don't mean to pick on you but you left me with no alternative due to some of your comments within my advice and this whole affair has raised my concern of safety to others. I am in the process of discussing these concerns with the senior moderator and I hope to find a way to make the DIY section a more reliable and safe resource for all those interested in gas, heating and plumbing matters.


  • Closed Accounts Posts: 193 ✭✭Stratocaster


    bog master wrote: »
    Have just moved to a new house, ie rented accomodation. Two showers, a Triton in the main bathroom and a power shower in the en suite. Now I know the power shower pulls the hot water from the immersion tank, which is one that is lagged all over with that green foam type insulation.Now once the central heating is being used, the water will obviously be heated up. But how can you tell how much or is the water hot enough?

    Is there a temp sensor that could be fitted to the tank telling the temp?

    Tanks are located in the attic etc, cylinders store your hot water.

    If you require reassurance of your cylinder heated fully or to what extent, there is some cylinder control stats available. The stat reads the cylinder temp and sends a signal to a control. Once the stat is happy the cylinder has reached the required temp it will close off a thermo or electric valve located on the cylinders heat source. Where you locate and attach the stat to the cylinder is the key to the reading, top, middle, bottom etc.

    This type of cylinder control must be fit by a qualified person. Should no by pass be available and your rads are turned off, an isolated cylinder heat supply during boiler use will result in no circulation and this must not happen within a heating system.


  • Registered Users, Registered Users 2 Posts: 26 offalyal


    Hi, I have a Mira Sprint electric shower. It's about 7 years old and has stopped heating the water. It was never much good anyway so would like to replace it with a new one. Can anyone recommend a good make / model? Also can anyone recommend someone to fit it in the West Offaly area. I would like to get one with a higher wattage as have heard that you get better water flow from them. Thanks


  • Registered Users, Registered Users 2 Posts: 19,340 CMod ✭✭✭✭Davy


    If your not happy with the pressure from it, i would suggest you think about a pumped shower. The downside is it would require alerting the pipework to fit it, and you need to preheat the water from gas/oil boiler or from the immersion, where staying with an electric shower it will more a less be swap for swap model dependent. If you do go for a higher kw rating it may require a rewire from the board. Whats in is probably 6sq and may need to be changed to 10, some will and some wont as its border line.


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  • Closed Accounts Posts: 193 ✭✭Stratocaster


    offalyal wrote: »
    Hi, I have a Mira Sprint electric shower. It's about 7 years old and has stopped heating the water. It was never much good anyway so would like to replace it with a new one. Can anyone recommend a good make / model? Also can anyone recommend someone to fit it in the West Offaly area. I would like to get one with a higher wattage as have heard that you get better water flow from them. Thanks

    Same as Davey, if its at all possible you should look at other shower alternatives. The flow from an electric shower is a poor flow compared to other shower alternatives outside electric ones. You will end up in the same situation in a few more years so its best to take the time now and get yourself a good reliable shower with a decent flow.


  • Registered Users, Registered Users 2 Posts: 9,235 ✭✭✭lucernarian


    Remember, a pumped shower is not for everyone's needs. We've got a T90 put in 6 months ago. A big improvement on the old T80 that was mains-fed (by a well pump, so the shower temp varied from cool to too hot every 2 minutes). The immersion heater is out of order at the moment, so there's no hot water available. Even if it was, it would take up to half an hour to have a full tank of hot water.

    The electric (pump inside) ones are very convenient. A bit noisy, but at least I don't have to switch the power levels every 20 seconds to try to juggle with fluctuating pressure. Or worry about getting enough hot water in time.


  • Closed Accounts Posts: 193 ✭✭Stratocaster


    Remember, a pumped shower is not for everyone's needs. We've got a T90 put in 6 months ago. A big improvement on the old T80 that was mains-fed (by a well pump, so the shower temp varied from cool to too hot every 2 minutes). The immersion heater is out of order at the moment, so there's no hot water available. Even if it was, it would take up to half an hour to have a full tank of hot water.

    The electric (pump inside) ones are very convenient. A bit noisy, but at least I don't have to switch the power levels every 20 seconds to try to juggle with fluctuating pressure. Or worry about getting enough hot water in time.

    Anytime I have striped out electric/pumped showers and replaced with an alternative, the customer never once came back with lack of hot water issues etc, you will adapt to it, fixing an immersion is a fraction of the cost compared to an electric/pumped shower.

    The only mention I hear is, how did we ever manage with the electric.


  • Registered Users, Registered Users 2 Posts: 19,340 CMod ✭✭✭✭Davy



    The only mention I hear is, how did we ever manage with the electric.

    +1

    I put in an electric in my own place and only used it twice in 2 years. Even in a rush with no hot water i wait the 15minutes for the boiler to heat the water.


  • Registered Users, Registered Users 2 Posts: 10,262 ✭✭✭✭Joey the lips


    Pumped electric showers are most popular in houses with girls, In fact when I am counting water demand I double up for girl teenagers. I once did a house where the girl shower 4 times a day. Jesus I though it amazing the T90 last the years it did.

    Power showers as in Cylinder Hot tank cold are the most popular site shower but the biggest changeover new installiation is a pumped electric T90/Mira Elite

    TBH if you can adjust to it NOTHING on the plannet beats the power of a Aqualisa Aquastream Power shower. It truly is the dogs


  • Closed Accounts Posts: 193 ✭✭Stratocaster


    Pumped electric showers are most popular in houses with girls, In fact when I am counting water demand I double up for girl teenagers. I once did a house where the girl shower 4 times a day. Jesus I though it amazing the T90 last the years it did.

    Power showers as in Cylinder Hot tank cold are the most popular site shower but the biggest changeover new installiation is a pumped electric T90/Mira Elite

    TBH if you can adjust to it NOTHING on the plannet beats the power of a Aqualisa Aquastream Power shower. It truly is the dogs


    Whats the flow rate of that? I could by a cheap b&q booster pump and the cheapest shower mixer available in heatmerchants, not only will it outlast the above shower you mention, I will probably have to increase the size of the shower outlet so it can keep up with the amount of water.

    Electric pumped showers, haven't seen one more than 20ltr per min.

    Boosted pumped mixer showers, haven't seen one less than 20ltr per min most of them are in the 25 to 45ltr per min.

    I have installed one here and its just a 1.5bar stuart turner, I cant even turn it up full.


  • Registered Users, Registered Users 2 Posts: 9,235 ✭✭✭lucernarian


    Still, a lot of money to spend, to have a higher flow rate. And just because customers haven't complained about it, doesn't mean that all customers will end up liking it. Naturally customers who don't want it, won't get one to begin with. Like my mum for example, who likes them but told the plumber her reasons against getting it fitted a few months ago. Unless you leave the immersion permanently switched on, you will not be certain of having hot water for the shower. And it is overkill to have to adjust our perfectly functional heating system of 35 years age to give our waist-high storage tank a dedicated circuit.

    Finally, larger flow rates for a given hot water temperature = larger kW spent in thermal energy, unless my physics are mistaken?? And if a flow rate is eg twice greater, I doubt that equates to half the time spend in it. Therefore, we're talking about higher energy running costs too.

    Anyway, everyone has our own preferences. My point is that the pumped hot/cold fed showers are not "the natural progression" or the straightforward choice that they're being made to be.


  • Registered Users, Registered Users 2 Posts: 10,262 ✭✭✭✭Joey the lips


    [/b]

    Whats the flow rate of that? I could by a cheap b&q booster pump and the cheapest shower mixer available in heatmerchants, not only will it outlast the above shower you mention, I will probably have to increase the size of the shower outlet so it can keep up with the amount of water.

    Electric pumped showers, haven't seen one more than 20ltr per min.

    Boosted pumped mixer showers, haven't seen one less than 20ltr per min most of them are in the 25 to 45ltr per min.

    I have installed one here and its just a 1.5bar stuart turner, I cant even turn it up full.
    Still, a lot of money to spend, to have a higher flow rate. And just because customers haven't complained about it, doesn't mean that all customers will end up liking it. Naturally customers who don't want it, won't get one to begin with. Like my mum for example, who likes them but told the plumber her reasons against getting it fitted a few months ago. Unless you leave the immersion permanently switched on, you will not be certain of having hot water for the shower. And it is overkill to have to adjust our perfectly functional heating system of 35 years age to give our waist-high storage tank a dedicated circuit.

    Finally, larger flow rates for a given hot water temperature = larger kW spent in thermal energy, unless my physics are mistaken?? And if a flow rate is eg twice greater, I doubt that equates to half the time spend in it. Therefore, we're talking about higher energy running costs too.

    Anyway, everyone has our own preferences. My point is that the pumped hot/cold fed showers are not "the natural progression" or the straightforward choice that they're being made to be.


    The flow rates are

    1 metre head - normal - 10 ltr/min
    1 metre head - boost - 18 ltr/min

    Just enough to give you a decent shower out of a 36 x 18 cylinder. My understanding of a stuart turner is that its rated at 9 liters a minute. I dont understand the comparission. I am just giving my opinion


    and its thermostatic. The cheapest thermostatic valve heatmerchants does is about 60 euro the cheapest pump is about 150 yes. all that said. but regardless Its a simple case of do you prefere one or the other, I guarantee you anyone who has an aquastream loves it and to boot the plumbing is simple.

    This is not about science I am sorry I am not trying to sell a product to someone who needs convincing I know its good and so does its users so either go with a

    Thermostatic valve and a booster pump Pluses= +'s cheaper to replace surface valve or pump, -'s Expensive to plumb

    Aquastream= +'s Cheaper and easier to plumb, Excellent customer service -'s the +'s on above

    Aquastream power shower, imo the dogs!

    http://help.tradingdepot.co.uk/bathrooms/aqualisa/aquastream-thermo.asp


  • Closed Accounts Posts: 193 ✭✭Stratocaster


    Irelands in the dark ages when it comes to plumbing systems, only here and in the UK do we have a gravity fed system as far a I am aware.

    To keep up with the rest of the world the ideal way to plumb your house is to pressurize your entire house, attic tank into a cold water boost pump which supplies your colds and your hots from a pressurized quick recovery cylinder. Cylinder heated by oil, gas, geo, solar etc.

    This way it will be economical and give you a good supply to enjoy a decent shower for many hassle free years.

    If you want to continue to stick with your good old fashioned gravity fed system with a quick loss copper cylinder and a piddle shower, work away.

    I had some contracts from the eastern health board for the fitting of disabled shower areas in retro fit houses, I wasn't allowed use an electric or pumped shower the reasons being, electricity in a shower, chances of being scalded in a shower, poor flow rate for washing of the user.


  • Registered Users, Registered Users 2 Posts: 10,262 ✭✭✭✭Joey the lips


    Irelands in the dark ages when it comes to plumbing systems, only here and in the UK do we have a gravity fed system as far a I am aware.

    To keep up with the rest of the world the ideal way to plumb your house is to pressurize your entire house, attic tank into a cold water boost pump which supplies your colds and your hots from a pressurized quick recovery cylinder. Cylinder heated by oil, gas, geo, solar etc.

    This way it will be economical and give you a good supply to enjoy a decent shower for many hassle free years.

    If you want to continue to stick with your good old fashioned gravity fed system with a quick loss copper cylinder and a piddle shower, work away.

    I had some contracts from the eastern health board for the fitting of disabled shower areas in retro fit houses, I wasn't allowed use an electric or pumped shower the reasons being, electricity in a shower, chances of being scalded in a shower, poor flow rate for washing of the user.

    Me? why are you jumping like this. Have you got specific problems with the topic whats this got to do with with the suitability of an electric shower? I would stick with what I have because to pressurise a system correctly you commonly need

    MQ35 @ 600
    Pressurised Cylinder @ 300-400
    a lot of plumbing

    The general rule i apply is if materials cost you a thousend labour will cost 2k..

    On a domestic system that costs far to much for me to start upgrading my situation. This is not taking into account the usual amount of leeks that occurs when you pressurise the system first.

    Yes a pressurised system above with a walk in shower 6 body jets a 12" fixed head and seperate riser rail would be the perfect life and yes ireland in antiquated when it comes to euro I am not argueing with that!

    I have simply said in this subject that my fav shower is an aquastream and the topic is finding a suitable electric shower.


    On the eastern health board if you are not allowed use electric showers there is specific reasons.These reasons are most likely specified by the OT and apply to that client only. I actually have a copy of the notes that give guidelines. The notes specifically state a power shower thermo is the norm( Conincidence that an aquastream is just this although i usually use a cheaper version) it also has a provision for a gravity fed thermopower shower. As you know there is not many thermo power showers that are gravity fed which is why modern plants Mira BIV is commonly used. It has the necessary wide bore! I have also seen installiations which i never thought would be passed where a pumped electric shower(T90) is used. What people commonly do is have the power shower fitted then when the grant is paid out they have a plumber change to a T90 but the OT will sign off on the pumped electric if the mobility is not to severe. I always though this a risky thing to do.


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