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  1. #1
    Join Date
    Oct 2003
    Location
    Eastern Burbs, VIC
    Posts
    59

    Default Emptying gravity feed HWS ?

    G'day

    I disconnected our old gravity feed hot water system in the roof.
    I'd like to empty it out but the hot water outlet is located at around 10 cm form the top.
    How do people usually do it ?
    -Leave the water in there
    -Pump it out,
    -Drill a hole and hope for the best ?

    Thanks

    Nic

  2. #2
    Join Date
    Oct 2001
    Location
    Warwick, QLD
    Age
    45
    Posts
    1,175

    Default

    Where's the cold water inlet??
    Have a nice day - Cheers

  3. #3
    Join Date
    Aug 2006
    Location
    Regional South Australia
    Age
    46
    Posts
    60

    Default

    Simple (or stupid) suggestion.
    Drop a hose in it, run the end of the hose outside, to a lower point than the HWS and give the end a suck (I am being serious here) it should work as a syphon. This (although on a smaller scale) is how I empty the fishtank.
    Do not meddle in the affairs of dragons,
    for you are crunchy and taste good with ketchup.
    ....................... .......................

  4. #4
    Join Date
    Jan 2007
    Location
    Katoomba NSW
    Posts
    332

    Default

    Undo the element, assuming all power is disconnected, and let the water flow into the tin base. The base usually has a pipe that runs to the eaves.
    You can shove a couple of wedges under the HWS opposite the element to get the dregs out.
    If you want to remove the unit it usually has to be cut up to get it out. Often easier just to leave it there.
    Those were the droids I was looking for.
    https://autoblastgates.com.au

  5. #5
    Join Date
    Oct 2003
    Location
    Eastern Burbs, VIC
    Posts
    59

    Default

    cold water arrives at the bottom through a floater valve located at the top.
    I could have removed the cold water pipe that runs to the bottom, but I was worried of having water gush out and flooding the roof.

    I'll try the siphon first, assuming I can find a way into the tank, there is about 20 cm clearance between the tank and the rafters ..

    Thanks

    Nic

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