Q:

How do you winterize a recreational vehicle?

A:

Quick Answer

To winterize a recreational vehicle, disconnect its main water source, and turn off the power sources in the vehicle, before draining water from all the faucets and water heaters. Add special RV antifreeze in the tanks, pipes and drains to protect the piping system. In areas where the weather is harsh, consider removing the batteries and external propane tanks and sheltering them in a warm place.

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Full Answer

Drain water from the recreational vehicle’s water system by opening the taps and showers, and by flushing the toilet. Drain the water heater by either opening the drain valve underneath the heater or removing the drain plug. Attach a blow out plug to the recreational vehicle’s city water inlet, and use an air compressor to blow out the lines. To avoid damaging the water lines, adjust the air compressor to about 30 pounds per square inch. Let the compressor run until the faucets and drain valves are free of water.

Bypass the recreational vehicle’s water heater by installing a bypass kit, and add a quart of antifreeze in the kitchen faucet, water tanks and other drains to protect the valves and seals. Winterize the RV’s engine by adding a fuel stabilizer and topping the fuel tanks. Run the engine to let the additive get into the fuel system and ensure the radiator contains automotive antifreeze. Use aluminum foil to block the exhaust pipe and keep pests at bay.

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