Emerson 1F85U-42PR Thermostat This Emerson programmable thermostat uses a 24 vac source for its primary power. Alternatively, power can be supplied using a Internal disposable battery. A "C" wire is ...
Emerson 1F97-1277 Thermostat This Emerson programmable thermostat uses an internal disposable battery for its primary power. Alternatively, power can be supplied using a C wire (24 VAC). In this case, ...
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