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Banging zone valves

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jmoldtimer
jmoldtimer Member Posts: 1
in THE MAIN WALL
We have the same problem that Dan described in his article. The honeywell rep told us that the series 5000 zone valves will solve this problem. (if I have one. They denied that is was the zone valve.) Has anyone tried these valves?

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  • hot_rod
    hot_rod Member Posts: 22,157
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    installed with the correct flow direction? Is the circulator correctly sized? Consider a PAB or a delta P circa if you have multiple zone valves.

    It's rarely the valves fault that causes the bang or hammer.
    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream

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