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ROARING RIVER

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JSF
JSF Member Posts: 1
in THE MAIN WALL
I'm having an air problem with a hot water heating system that I recently installed, I can't get all of the air out the system. How is it possible that air can can get in to a closed loop system other than through the boiler feed ? The homeowner has said that, at night, a loud bang is emitted from the heating system, could this be an air problem ? could a slight drip on one of the purge valves suck air into the system ? I'm at wits end trying to fis this. 

Baseboard radiators , Allied super Hot SG-150 Boiler

5 zones controlled by Honeywell Zone valves

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  • Robert_25
    Robert_25 Member Posts: 555
    Are you sure it is air...

    Are you sure the noise is due to air? An over-sized circulator on a zone valve system can create velocity noise in the piping.
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