Furnace question
We just returned today from a 9 day trip to the upper penninsula in Michigan where the temp was in the 30's on 2 nights and we stopped using the small electrical heater we had and turned on the furnace. The furnace worked great but i noticed something weird. While the heater blower was on, if i turned on any light in the camper you could here the blower go lower like an overload to the circuit. I did have the fridge and hot water tank on. Is this normal? (no fuses were blown) Thanks
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