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How to bleed - water feed on return side.

Niterbox
Niterbox Member Posts: 1
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 Hall
    Jamie Hall Member Posts: 21,105
    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?
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
  • unclejohn
    unclejohn Member Posts: 1,830
    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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