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Honeywell - How To Wire Up The Rth221b
My wires are coloured Red, Black, Blue, Green and Brown from the furnace......where do the go in col...

(Posted by insleyjim 11 years ago)

Honeywell - Problem With Honeywell Rth221b Thermostat
I have a Honeywell RTH221B thermostat. When it is set to cool, the A/C never shuts off regardless of...

(Posted by stevewaski 12 years ago)

(Posted by mrags80 12 years ago)

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