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Posted by jtown on December 22, 2003 at 07:18:31:
In Reply to: weird boiler posted by jerry rosa on December 21, 2003 at 20:05:03:
12psi is quite excessive for most residential systems. The hot water loop is not unusual. It is done sometimes to have basement heat when there is not enough overhead or people don't want radiators on the upper walls or ceilings. It is done often for indirect water heaters.
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