I have a Trol A Temp MST (forced hot air) duct controller connected to HOneywell CM260 dial...
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I have a Trol A Temp MST (forced hot air) duct controller connected to HOneywell CM260 dial thermostat. I purchased Honeywell RTH5100B non-programmable thermostat. Are the two thermostats compatible. I have wires connected to terminals 4 (W), 5(R) & 6(Y) on the dial thermostat.