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Just before i mashed my back i was asked to look at a commercial property where heating had gone down .
This valve was on the flow to high level coils and was buzzing like hell , the pumps other side seem to be fluctuating .No heat seem to be transferring through to other side .
This valve was on the flow to high level coils and was buzzing like hell , the pumps other side seem to be fluctuating .No heat seem to be transferring through to other side .