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Maichis 12 x 18 12V RV Holading Tank Heater Pad, 2Pack RV Water Tank Heating Pad with Automatic Thermostat, use for RV Fresh Water | Grey Water | Black Water Tank, DC
✅Thermostat Control Built-in thermostat control, this heating pad will turn on at 45°F ( ±5°) and turn off at 68°F (±5°F) automatically. It will help prevent your tank from freezing but won’t drain your battery. Please wire this heater pad to a switch for easy control. Turn on the switch before the water freezing, turn off the switch when outside temperature remain above 68°F, or RV is not in use. ✅High Efficiency Designed for 12V DC application, its power is 60W

Price is $49.00
Price: $48.99