Not quite ready to winterize the trailer, and the temps are supposed to drop to 20 degrees tonight. So the furnace is on but when I turn the switch on for the tank heater, it doesn't light up like the water pump and water heater switches do.
Checked breakers and fuses and all looks good.
How can I tell if the tank heaters are on?
Thanks,
Scott
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2015 Keystone Raptor 425TS full body paint
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