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I have a no heat situation with my Miller furnace in my 4 year old manufactured home, model #M3RL080ABW. Since replacing thermostat, furnace will not come on. The programmable thermostat has been tested and it is good and wired correctly. Even when reinstalling the manual stat, no heat. Furnaces transformer is humming. Suggestions would be greatly appreciated.

Test transformer for proper voltage. Line/Primary side = 120vac. Load/Secondary side = 24vac.

Real easy to blow a transformer when wiring a t-stat if not careful. Or could have just went bad at that time.



Thanks,
Robert