Honeywell mercury free millivolt thermostat. it is a 2-wire thermostat that is used with 750 millivolt heating systems. it is more accurate to plus or minus 1.5 degrees and does not work with heat pumps. it has a 1-year limited warranty.
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Ademco CT53K1006\/E1 Mercury Free Millivolt
Original price was: $48.19.$38.55Current price is: $38.55.
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