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Pressure Slow to Build

  • 08-08-2014 10:37am
    #1
    Registered Users, Registered Users 2 Posts: 115 ✭✭


    Morning All,

    I am hoping someone could point me in the right direction with an issue I am having in an apartment en-suite and to a lessor extent kitchen sink.

    Mainly in the en-suite bathroom of my apartment the pressure is quite slow to build up, meaning that when I turn the tap on (hot or cold) it takes a matter of time for the water to flow properly. This can range anywhere from 10 seconds to 30. Once it is flowing the pressure is great. The issue is the same in the Shower and the sink in the en-suite but also effects the hot water in the kitchen and to a lessor extent the main bathroom.

    Thank you in advance for any pointers or anything I can try before getting a plumber out.

    Cheers,
    Gary


Comments

  • Registered Users, Registered Users 2 Posts: 8,565 ✭✭✭K.Flyer


    Most likely if you are in an apartment your waterr is pressurised by a boosting pump.
    Check to see which make it is and let us know. Its sounds to me that it's possibly a problem with the pressure switch.


  • Registered Users, Registered Users 2 Posts: 115 ✭✭gfog


    Hi K flyer sorry I never got to thank you for the above. The problem pretty much went away but unfortunately has reared its head again.

    The problem is as before but it seems to take a bit longer for the pump to kick in this time especially if it has not been used for a longer period of time.

    short of getting a plumber out in the new year is there anything I could try now? I have attached a couple pictures below if they are any help.

    Cheers,
    Gary


  • Registered Users, Registered Users 2 Posts: 8,565 ✭✭✭K.Flyer


    You have a Grundfos pump.
    The problem with that particular model is the pressure switches, although adjustable, they can be very temperamental.
    That particular model is known for its long pauses while waiting for the pressure to build up and can sometimes be difficult to get set up properly.
    The last one I saw annoyed the owner so much he dumped it and fitted a stuart turner.
    I would be inclined to change the pressure switches for a different type to see if it helps and make adjustments to the precharge air pressure in the vessels. If that didn't work, changing it might be your only long term solution.


  • Registered Users, Registered Users 2 Posts: 115 ✭✭gfog


    Thanks again Flyer you are very good to reply.

    Sounds like I might be best getting a plumber in in the new year. Doesn't sound like it is something I should start trying to adjust myself.

    It is a pity as once it does kick in the pressure everywhere in the apartment is super, better than I ever expected.

    Any rough idea of price for new pressure switches or worst case new pump?

    Cheers
    Gary


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