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View Full Version : Wiring honeywellthernostat th4210d for heat pump

mikeluk
Dec 12, 2009, 09:19 AM
Show me correct wiring for the honeywellthermostat th4210d for heat pump.
hvac1000
Dec 12, 2009, 01:27 PM
It is all in here for you.

http://customer.honeywell.com/techlit/pdf/PackedLit/69-1928EFS.pdf