Originally Posted by Wet_Boots
Questions don't always exactly cut it. At some point you have to invest in the tools it takes to diagnose a problem first time off. There are plenty of other reasons to have gauges on hand.
Since we're thinking a flow restriction, and since maybe the state of Texas doesn't want unlicensed folks taking apart any DCVA, it would come down to using a pressure gauge to see if one or more sections of a DCVA are sapping pressure, by way of connecting to the testcocks on the DCVA, and seeing what pressures show when a zone is on..
But I am glad I asked because now I know that I need them and that is something I need to check.
Oh BTW, found the problem.
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