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Indirect twin coil cylinder fittings

  • 22-03-2018 7:58pm
    #1
    FFred
    Closed Accounts Posts: 772 ✭✭✭


    Hi ,

    Just got delivery of a cylinder and it has three holes on the top. One for immersion, one for hot water/vent as expected. However there is a third hole approx 3/4 inch which I was not expecting seen at the bottom of the attached photo. Any ideas . Cheers.


Comments

  • #2
    Pete67
    Registered Users, Registered Users 2 Posts: 1,257 ✭✭✭Pete67


    It's to provide a hot water supply to a shower pump, the idea is that the pump will not pick up any air from around the top of the cylinder.


  • #3
    FFred
    Closed Accounts Posts: 772 ✭✭✭FFred


    Pete67 wrote: »
    It's to provide a hot water supply to a shower pump, the idea is that the pump will not pick up any air from around the top of the cylinder.

    Thank you my man.

    Can I blank this off if I’m not using it and if so what fitting would I need to ask for?

    Thanks again


  • #4
    FFred
    Closed Accounts Posts: 772 ✭✭✭FFred


    Bump if mods don’t mind ...
    Anyone know what blank fitting I’ll need .


  • #5
    K.Flyer
    Registered Users, Registered Users 2 Posts: 8,565 ✭✭✭K.Flyer


    Depends on the size, 3/4" usually.
    Ask for 074 blank plug.

    Make sure not to use any plastic pipework when connecting to a hot water cylinder.


  • #6
    FFred
    Closed Accounts Posts: 772 ✭✭✭FFred


    K.Flyer wrote: »
    Depends on the size, 3/4" usually.
    Ask for 074 blank plug.

    Make sure not to use any plastic pipework when connecting to a hot water cylinder.

    Cheers mate ... no qualpex. All copper.


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