Description
This is a BRAND NEW Honeywell T4 Pro Programmable Thermostat. This 1 Heat/1 Cool Thermostat is rated at 24v and has a 7 day (5-1-1) programming feature. It replaces the old part numbers listed below.
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:
TH4110U2005/U
Repair Difficulty Level
Partial list of Model numbers that use this part:
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