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Does ThermaHeat RV Holding Tank Heater Pad Need to be Connected Directly to 12V Battery


Hello, I run a concession trailer and need to keep the water flowing! How can I wire it so I do not have to connect directly to the battery? I have plenty of outlets and mainly run off of generator power.


Expert Reply:

The ThermaHeat RV Holding Tank Heater Pad # 277-000164 that you referenced needs to be wired to 12V power source for operation. This doesn't necessarily have to be a direct battery connection, but just keep in mind the pad will only work when the particular power source you choose is actually on. You can even use something like the Hopkins Wiring Extension # HM47965 to provide an easy connection you can plug/unplug in a pinch.

If you mainly run off AC power it can still be used but you would need to add a converter in between. A better option for this application though would be with the Valterra # W01-1572, which you could plug right into a standard AC outlet for power. This 15 foot cable will just install around your tanks using zip ties like # DW05727-10 to prevent freezing.

expert reply by:
Chris R

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