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Plumbing Advice

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  • 10-04-2007 12:24pm
    #1
    Ted10
    Closed Accounts Posts: 58 ✭✭


    Starting a new build soon hopefully. Have a question about the heating system. I want to install an oil condensing boiler and a stove in the kitchen with a back boiler. I've looked at a few websites and the new condensing boilers don't seem to use a tank in the hotpress, would this cause a problem with running a solid fuel stove with back boiler to heat some radiators ? I'm a complete novice at this so bear with me. Also I've never liked having the burner in the house so would it be appropriate to site it in the garage without losing much performance wise.

    Thanks


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    #2
    davidoco
    Registered Users Posts: 656 ✭✭✭davidoco


    Ted10 wrote:
    I've looked at a few websites and the new condensing boilers don't seem to use a tank in the hotpress

    Your looking at combi oil boilers which are not that popular in Ireland. Gas combis are popular as they heat the hot water to the tap quicker.

    You can get condensing oil boilers which will heat the cylinder of water in your hot press no problem.

    Remember the water that gets heated by the oil boiler is the same water that heats your rads but is never mixed with the water than comes out of the hot tap. The heated water from the boiler passes through your cylinder in a large coiled pipe inside the cylinder.

    If your going for a back boiler to heat your rads and your are going to link them you MUST have a open system which uses a small black tank in the attic to serve the heating.

    good information here http://www.discountedheating.co.uk/whichboiler.htm

    Linking a back boiler and an oil boiler is not easy but can be done. see systemlink.ie and http://www.dunsleyheat.co.uk/linkupsys.htm


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    #3
    galwaytt
    Registered Users Posts: 12,762 ✭✭✭✭galwaytt


    Ted10 wrote:
    .. Also I've never liked having the burner in the house so would it be appropriate to site it in the garage without losing much performance wise.

    ...depends on where the garage is.......part of the house, or detached...?

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    #4
    Ted10
    Closed Accounts Posts: 58 ✭✭Ted10


    Detached, about 15 feet away. Thanks for the replies, should I source a boiler myself or wait until I've given the job to a plumber and get him to advise on what boiler to get.


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    #5
    eoghan.geraghty
    Registered Users Posts: 419 ✭✭eoghan.geraghty


    Ted if you do locate the boiler in the garage, just be sure to use the really expensive pipe for bringing the heating water back into house, sorry cant think what its called right now but its double insulated and like i say really expensive.
    If you just run pipes in a sewer pipe underground you will have lovely underfloor heating outside, very expensive in the long run.


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    #6
    davidoco
    Registered Users Posts: 656 ✭✭✭davidoco


    Ted10 wrote:
    Detached, about 15 feet away. Thanks for the replies, should I source a boiler myself or wait until I've given the job to a plumber and get him to advise on what boiler to get.

    Depends on the plumber. Some may have experience of selecting different boilers etc but most just install the same gas boiler or the same oil boiler in every house they do.

    Do some research yourself by going into the local plumbing merchants, heatmerchants etc and talk to the people there, get brochures, search the web. Most of all get prices.

    By talking to the guys in the shops you will get a better idea of what’s available.

    Of course you need to decide what you want. How much hot water, stored or not, linked or not, condensing/triple pass/standard, how big is house, what is the heat requirement – depends on insulation, walls, windows. Sealed or open vented. Indoor or outdoor etc etc etc


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    #7
    Noviceman
    Closed Accounts Posts: 176 ✭✭Noviceman


    Ted10, i am in the same position as you now, what did you end up doing were you happy with it? What i'm thinking of doing is using a solid fuel stove with built in back boiler to heat the downstairs rads in conjunction with a oil condensing boiler and solar panels all feeding into a 3 coil cylinder. My big concern will the solid fuel stove use up all it's heat heating the rads and not heat the kitchen\dining room where it is? Anyone have experience on this?


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