Posted by Scott on October 01, 2001 at 13:59:45:
In Reply to: Re: Boiler main cold water valve *Help* posted by jtown on October 01, 2001 at 07:08:07:
This is a fairly new home and my first so I have no idea about how this stuff works. The valve in question must have been off because when I turn it on, water comes out of another pipe that comes out of the boiler which is right next to the in pipe. I still don't understand the setup. The Cold input comes down and branches, one goes in the front of the boiler. The other goes through a Regulator then branches again. One connects with the output of hot water & expantion tank and the other connects to the input with the pump. I only guess about the output and input based on which is hotter. When I touched the Regulator, the pressure did raise a bit (25 to 27psi) I did not lift it for long.
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