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Posted by Doug Criner on October 15, 2008 at 16:24:44:
In Reply to: FP Industries Hydra M600 boiler posted by HP YANO on October 13, 2008 at 20:13:16:
I'm unfamiliar with this boiler. But the circulating pump is usually controlled by the wall thermostat (via a relay). When you turn down the thermostat, doesn't the pump stop?
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