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Unvented cylinder pump

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  • 29-06-2020 12:05am
    #1
    booooonzo
    Registered Users Posts: 478 ✭✭


    Hi,

    Replacing a lot of plumbing atm and have decided with an unvented indirect hot water cylinder.
    Will be placed under the stairs and fed from cold water storage tank 8m above.

    I assume this supply will need to be pumped pre-cylinder as the pressure wont be there to supply some new mixer showers

    Will the pump go just before the cold water feed to tank and T off for cold water supply under the stairs?

    most of what i am seeing online is UK based with mains fed supply

    how noisy are 3/4 bar pumps?

    any brands to avoid.. got recommended a DAB 3 bar

    thanks


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    #2
    booooonzo
    Registered Users Posts: 478 ✭✭booooonzo


    Bumping this to hopefully get a recommendation on a reliable pump

    its a 300L tank servicing 1 bath and 2 showers


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    #3
    burdburd
    Registered Users Posts: 56 ✭✭burdburd


    hi Boooooonzo,

    We are doing similar - locating Boiler and Pressurised Cylinder under stairs. The Main pressure feed under the stairs is 3 bar however we have two Showers, 1 located on floor above ( old house tall ceilings so c. 6m to mixer ) and the 2nd another 5m higher again. For this reason, we are thinking of a water tank with submersible pump to be located next to the HW cylinder, that will feed a constant pressure into the HW cylinder and 'smooth out' variances in mains pressure - kitchen, toilets, two showers running at once.

    How did you get on ?



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