otrfunExplorer IIJun 07, 2016Tank HeatersWe have 3 tank heater switches on our Voltage toy hauler. Turned on all 3 switches and saw no change or increase in battery current (using a clamp-on ammeter). Should we see some current, or does ...Show More
MudChuckerExplorerJun 07, 2016dont know the brand, but I have Ultra Heat on mine, you may need to satisfy 2 conditions1.) fluid must be present2.) temp must be, 44 F or 7 C they will deactivate at 64 F or 18C
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