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Wiring a honeywell L641b 1004 pipe stat with a normal air monitored frost stat
I have a garage located boiler with a typical frost stat above it .I have a honeywell L641b 1004 pipe stat that I wish to monitor the return to boiler . If possible I would like to wire it so that the system fires up on hot water and not heating , I hope this makes sense.. I have a y plan..
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