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zone valve system with circ zones

kpc_39
kpc_39 Member Posts: 5
in THE MAIN WALL
try adding a flow check on the return line of the modine.

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  • joe_132
    joe_132 Member Posts: 1
    zone valve system with added circulator zone

    I am currently diagnosing a problem and seem to get a bunch of answers with no results. the problem is there is a zone valve system 4 zones of baseboard heat. Someone added on three zones two radient zones and a modine in the garage and they are all run by circulators. When the system with zone valves call the modine line also gets flow through the lines. It has a taco ifc built in check in the circulator. I was told to change the header over with closely spaced tees for the modine line and that will stop it. Is that the solution or is there any other ideas out there? Apex p&h
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