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Posted by NOC on October 04, 2004 at 05:15:58:
I have a steam boiler system with two "scavenger loops" running to a sun room and part of my kitchen. They each have their own thermostat and R845 switching relay. This morning they both called for heat. The circulator pump is working and one loop has heat. It's switch lever on the bottom is all the way to the left. The other has no water circulating through it indicating the relay is closed. But its switch is also all the way to the left. Is their something wrong with the switch, is left the correct "on" position? Anyone have any thoughts on how to check it out? I'm just a homeowner, not an electrician, plumber or heating specialist.
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