Description
This is a brand new OEM Pro 1 upgraded Thermostat. It replaces the part numbers listed below.
Function:
A thermostat senses the air temperature in a room and has the ability to turn on the furnace or air conditioner based upon that temperature. Modern thermostats are usually digital, often programmable, and occasionally WI-Fi capable.
Replaces Old Part #s:
T721 T-721
Repair Difficulty Level:
Partial List of Units that Use This Item:
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