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Posted by heatpro.us on March 10, 2013 at 18:15:39:
In Reply to: CGM-5 Weil Mclain 0 Pressure and 2nd Flr Rad are Cold posted by Greg on March 05, 2013 at 21:52:14:
: First floor radiators are fine but the 2nd floor ones are stone cold. The water pressure is reading 0. I assume I need to increase the water pressure but how?
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Usually there is a pressure valve coming from a cold water line to the boiler piping. It might be closed, clogged, or failed. That would require repair.
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It's possible to take a hose from a water heater, washing machine tap, or outdoor faucet through a hose to feed water to the system until it reaches 15 psig on the gauge.
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Beware that the gauge might be failed or wrong.