RV Holding Tank Heater Pad with Automatic Thermostat&Switch, 2PCS 12/13.5V RV Tank Heater Pad 12″x18″ for Camper/Trailer/Motorhome/Marine,Use with Up to 50 Gallons Grey Fresh Black Water

Keep RV Water Tank Warm: The RV tank heater pad is must have for RV/camper/trailer in the winter. Using the RV tank heating pad to warm up the rv water tank, keep water supply, prevent the water from freezing in winter. Great RV tank cold weather kit to prevent the RV tank water from freezing.
Automatic Thermostat Control Protection: No worried about forgetting to turn on the heater causing the tank to freeze in cold weather, the RV Holding Tank Heater Pad with built-in thermostat control will automatic turns on 45°F(±5 degrees) and turns off 68°F(±5 degrees), safety and energy-saving.
Wide Application: The 12”X18” RV water tank heater pad is designed for RV Water Tank, fresh water tank, the grey water tank and the black water tank, holding up to 50 gallon holding tank. Widely used for RV, camper, trailer, motorhome, boat, or marine vessel. Perfect for keeping other items warm as needed.
Safe&Thickened Insulation: The RV Water Tank Heating Pad is made of 5mm thick flame retardant materials, high quality heating wire and waterproof outer aluminum foil material, providing uniform and effective heating. 2-wires design with Toggle Switch, our switch connection design more convenient. Red=positive (+); white=negative (-), Pls connect the red and white wires to the two outermost pins.
Warm Tips: The 13.5V RV Holding Tank Heating Pad with 37.5 inches power cord for use only for 12V or 13.5V RV batteries, make sure the RV power supply is 12/13.5V,NOT 24V/48V. MUST BE powered off when not in use for a long time. Pls ensure that there is water in the water tank when the RV heating pad is working.