Posted by jtown on January 20, 2000 at 09:25:28:
In Reply to: Tuning Steam System posted by Steve Mironov on January 20, 2000 at 07:59:02:
Single pipe steam is hard to balance. All the valves should be wide open to allow the water back the same pipe. Radiators have to be roughly sized to the rooms. If you don't mess with night setback and such, warmer rooms will help heat the cooler. Your room with the thermostat must be hitting 70 or your stat is off. Your vents can't hiss, try cleaning or replacing any. They should stop when hot. Start with all the vents wide open if they are adjustable or have paint plugging them etc. Some people claim results with varying the vents, it will depend on how often you cycle, if the house stays warm from an oversized system the system will cool enough to have the vents cycle more often. Yours might open and shut once a day if the system is small for the load. You can try blocking air flow over radiators in hotter rooms with enclosures or cloth at the base temporarily etc. Turn the boiler pressure to a minimum. Check that any air vents in the basement work also. You might want to start weatherizing your house, starting at the cooler rooms.
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