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Flow control valves

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johny
johny Member Posts: 19
in THE MAIN WALL
Question about flow control valves.I have a100k btu boiler with reverse return system.Boiler is in basement of 2 story house.Radiators heat house about 8 of them. There is only 1 circulator on boiler main and my question is do i need a flow control valve on discharge side of circ.Thanks

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  • Mike Kraft
    Mike Kraft Member Posts: 406
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    Flow control

    John,

    Final answer....yes!The heat will consistently "rise" and the cooler water will flow back to the boiler until temps level off.The flow control will restrict this flow from happening.With (what I am assuming) cast iron radiators the rads will retain heat for a longer time compared to other emitters.This will overshoot your set temp on the t'stat.

    cheese
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