Please Help No Heat In Upstairs Radiator Downstrairs Is Fine - Plumbing - DIY Home Improvement | DIYChatroom

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Old 02-13-2008, 08:17 AM   #16
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no it would be on one of the side panels but towards the top of the boiler/even screwed into the top of the boiler and piped down to the floor...brass with a lever on it should have #30 stamped on it.if the boiler safties/limits fail this would blow off the pressure build up.sometimes they leak when the boiler is heating should have no rust under it or dripping.put a bucket under it and lift the lever it will plush the fitting...then flip the lever back down.keep in mind that with that pressure mystery it should alays be at 10-12PSI that is the RED regulator keeping the city water pressue at bay,,,as you bleed that should make up/or blowing off relief it will make up.the pressure will increase as the water heats up but all the circulator does is move the water around the pipes.if the pipes are hot on the first floor the circ is running.if you bleed pipes always shut the system off keep the circ off let the RED regulator open up and feed new water into the system as th air goes out.



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