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How Do I Purge my Hydronic Heating System?????
I have a gas furnace and 2 zones for hydronic heat. I can hear a little gurgling in the pipes and I'm sure there is air somewhere in the system. Question is: How exactly do I purge each zone? Click the link below or copy and paste it for a sketch of my system, that might make describing easier. Basically, in order to purge each zone, which valves do I need to shut off and which stay on.
How long do I run the water through the system? After its all said and done, what pressure should I put the system back up to.
Sorry for all the questions, I appreciate any help!
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