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View Full Version : RTH230B compatibility


kswadener
Jan 23, 2010, 06:18 PM
I am trying to install a Honeywell RTH230B thermostat. My existing thermostat has 6 wires, but the Honeywell has only 5 terminals. Will the Honeywell RTH230B still work as a replacement? If not what model Honeywell thermostat should I get?