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How to bleed - water feed on return side.

NiterboxNiterbox Posts: 1Member
edited November 2018 in Gas Heating
Hi there. I have a three zone radiant heating system with 3 circulators. The water feed is piped directly to the return line on one of the zones. If I try to isolate any of the other zones - how do I get the water to push out the air if the water feed is only connected to the first zone? Please see the pic - I hope this question is clear. C is for circulator, V is for valve, P is for purge station. The V’s on the supply side on right side top are flow valves.

Comments

  • Jamie HallJamie Hall Posts: 10,171Member
    Do I presume the Vs in the pipes are valves, and the little circles pumps? Or? And then the next question is -- where are there any drains?
    Jamie



    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England.



    Hoffman Equipped System (all original except boiler), Weil-Mclain 580, 2.75 gph Carlin, Vapourstat 0.5 -- 6.0 ounces per square inch
  • unclejohnunclejohn Posts: 1,360Member
    Are there any shut off valves and hose bib looking things. I personally think that is a wonderful drawing but a picture would be better.
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