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Honeywell Q539J1154 is a thermostat subbase designed for electric heat installations and Q539-series Honeywell thermostats. It provides Cool-Off-Heat wiring configuration and functions as an HVAC control switch rated 2A at 24 VAC. The unit supports single heat and single cool stages, is non-programmable, and is compatible with heat pump systems. The subbase fits round thermostat designs and is offered in a premier white finish.
Thermostat subbase for electric heat with Cool-Off-Heat configuration; 2A at 24 VAC; compatible with Honeywell Q539 series and heat pumps.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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