Q:

What are the procedures for winterizing an RV?

A:

Quick Answer

The most important step in winterizing an RV entails draining the plumbing system. RV owners should make sure to completely empty all water pipes using either compressed air or antifreeze.

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Full Answer

Draining the system using compressed air requires an air compressor and a blow-out plug designed for RVs. Disconnect and turn off the rig and propane tank, and bypass the heater. Open all faucets in the home, and open the system drain valves to empty the pipes; remember to flush the toilet after allowing the water to empty out. Connect the blow out plug to the city water inlet, and attach the air compressor to the plug, ensuring the air compressor does not exceed 30 psi. Turn on the compressor and allow it to blow all excess water out of the pipes until clear.

To use antifreeze for emptying the pipes, use two to three gallons of RV antifreeze. Use either an external hand pump or internal water pump for this procedure. To use an external hand pump, bypass the heater, and disconnect the rig and propane tank. Open the system drain valves, and open all faucets before attaching the intake siphon to the RV antifreeze bottle. Connect the pump's output hose to the city water inlet. For assistance in assessing RV parts, refer to the manufacturer's manual.

To use an internal water pump, follow the steps for using an external hand pump. The only difference between the two processes is that the water pump bypass valve draws the antifreeze into the water pump and distributes it throughout the water system.

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