Posted by jtown on December 23, 2000 at 07:52:12:
In Reply to: hissing sounds & water gurgling sounds posted by steve mironov on December 23, 2000 at 06:36:08:
Noise is usually water in steam systems, especially gurgling. Look at all your radiators and make sure they are pitched down to drain the water out. One-pipe steam with one pipe hooked to the radiators the water goes out there Gently pry the radiator up with a 2x4 and put a shim under it. Just high and slow enough to not break anything. If the feet are level they are where it was designed for. Hissing might be your air vents that are used with one pipe. They should close when they get hot. See "main vent" a couple of threads ago. Also check your valve stems for steam blowing out. With 1pipe the valve should be wide open to allow water out smoothly.