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Posted by jtown on December 16, 2003 at 15:41:21:
In Reply to: How do we regulate temperature in a 72 unit building? posted by Andre Giroux on December 16, 2003 at 08:02:36:
Bleeders are vents to let air out of hot water systems annually and if the system is not up to pressure they could let air in. Letting too much air in can block flow. You don't want to encourage anyone that is not capable of doing it. You should have separate valves on the pipe coming into the radiator to throttle the water. If not, you may have a poorly designed system. If there is no individual valves to balance from sunny side etc, you have a mess. TRVs replace the throttling hand valve (or the air vents on steam). Being 9 stories, I wouldn't be shocked if you have a steam system.