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Posted by HeatPro on January 09, 2013 at 16:47:36:
In Reply to: Slurping sound in closest radiator in one pipe steam system posted by Josh on November 21, 2012 at 13:09:21:
: I have shimmed all my radiators. This is a first floor apartment, with furnace in basement. I feel I should replace all the steam vents, does anyone have a recommended brand?
There are only two majors - both good.
Also, the radiator nearest to furnace makes an odd slurping sound during the initial call after the heat has been off for a while. The vent from this slurping radiator vents in conjunction with the slurping. I have replaced this vent with a new one, but have not on the other radiators. I have ensured the water level to be correct.
The furnace reads 4-5 psi when operating, I have read it should be 1-2 psi, the cut in is set to minimum, I think 0.5 psi, I do not know how to lower the operating pressure. Any help is appreciated.
The pressure switch is out of calibration, time for a new one. If it can't run the boiler at 1-2.5 psig by setting it with the instructions that come in the box, it needs replacement. Vents fail over 4 psig.
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