I am trying to replace a lennox thermostat 67k4801 to a honeywell thermostat rth6350d [Archive]

jasminejca

Jul 25, 2011, 05:27 PM

Wires don't match

wmproop

Jul 26, 2011, 09:15 AM

Follow instructions that came with the honeywell, hope you tagged each wire to old tstat as you removed them to know where they came from