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Gypsy Lady · 03-08-2023, 07:42 AM

So we've got a 2019 Montana 3721RL and recently our thermostat when set to call for heat will not only start the furnace but the rear roof top a/c unit kicks on same time. In fact the rear a/c unit doesn't appear to cycle the a/c at various temps when cooling. Anyone else experience the same nonsense ?

03-08-2023, 07:42 AM	#1
Gypsy Lady New Member Join Date: Mar 2023 Location: Minneapolis Posts: 3 M.O.C. #32433	Dometic Thermostat Mind of it's own ? So we've got a 2019 Montana 3721RL and recently our thermostat when set to call for heat will not only start the furnace but the rear roof top a/c unit kicks on same time. In fact the rear a/c unit doesn't appear to cycle the a/c at various temps when cooling. Anyone else experience the same nonsense ?