This PRO1 IAQ 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, if a battery is used, the ...
The PRO1 IAQ 900 Series T955 is part of the Thermostats test program at Consumer Reports. In our lab tests, Programmable Thermostats models like the 900 Series T955 are rated on multiple criteria, ...
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