Latest Discussions : HVAC


05:02PM | 01/26/12
Member Since: 05/17/04
3 lifetime posts
Continued from the below post. Oops forgot to shut the expansion tank valve. Had no water in it. Now the boiler keeps running and remains at 140 degrees and 15-20psi. Thinking about putting the pump flow direction back to flowing against the zone valve flow. Help anyone!!!


07:36AM | 01/28/12
Member Since: 07/22/04
649 lifetime posts
The pump should be pushing the returning water into the boiler.

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