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INVERTED BUCKET TRAPS !!

steamman
steamman Member Posts: 8
in THE MAIN WALL
traps have limited air venting capacity. most low pressure end of the main drips are f&t. sounds like the system was flooded and will ok till it floods again. tp

Comments

  • MIKE CALOMERIS
    MIKE CALOMERIS Member Posts: 2
    INVERTED BUCKET TRAPS

    I received a sevice call from an apartment building for water hammer. Upon inspection I found a Hoffman inverted bucket trap installed at the end of the main. There is a #75 Hoffman main line steam vent installed before the bucket trap. The main was full of condensate water as the bucket would not open. I checked to make sure the trap was primed, it was. I then removed the cover, looked inside and found the pin that goes into the orofice missing. I then drained the water from the main and reassembled the trap. I ordered a new trap from Hoffman (it took a few days to get). I returned to the job the next day to check the status and now the entire building heats fine without water hammer. I am glad that it is working now but I don't know why? Any suggestion?
  • DanHolohan
    DanHolohan Member, Moderator, Administrator Posts: 16,601
    Did the main

    drain from the trap into a wet return? Is there a condensate pump on this job?
    Retired and loving it.
  • MIKE CALOMERIS
    MIKE CALOMERIS Member Posts: 2


    The trap drains into a dry return. Yes there is a condensate pump in the boiler room. The boiler sits approx. (1) story beneath the dry condensate return.
    Thank you for any help you can offer.
  • DanHolohan
    DanHolohan Member, Moderator, Administrator Posts: 16,601
    The pump

    makes the trap necessary, so my guess is that the line to the fill port is there to ensure the prime.
    Retired and loving it.
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