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The preferred method to winterize your recreation vehicle is by using RV antifreeze in the
plumbing system. It may be easier to winterize the RV with another person to assist you.
Requires non-toxic RV antifreeze in the water lines and does not require any special tools.
Use in your fresh water system for freeze protection.
No other product or commodity should be used. Antifreeze should never enter the water
heater, RV water lter, refrigerator, refrigerator water lter, or fresh water tank.
1. Turn water heater power OFF (both electric & LP gas switches inside the RV for stor-
age type water heater).
2. Level the RV and drain the fresh water plumbing system. Refer to Draining the Fresh
Water System.
3. Water heater should be empty after draining the plumbing system.
4. If your motorhome has a standard storage type water heater you must remove the drain
plug to drain the water heater
5. Replace the water lter cartridge with the plastic bypass hose.
6. On full system canister water lters (if so equipped), remove the canister, take out the
lter, and reattach the empty canister.
7. Make sure the “fresh water tank drain” and “low point drains” are This includes
the refrigerator/washer low point drains (if equipped).
If the recreation vehicle is going to be stored in a non-temperature controlled
environment with a risk of temperatures reaching 32°F (0°C) or lower, the air
pressure method is not adequate, winterizing with RV antifreeze must be used
in the plumbing system. Repairs due to freezing are not covered under the
terms of the .
Automotive antifreeze (ethylene glycol) and windshield washer antifreeze
(methanol) are poisonous. Never use these products in your fresh water sys-
tem. These products are harmful and may be fatal if swallowed.
Appliances (refrigerator, dishwasher or clothes washer)
must be winterized. Refer to the appliance owner’s manual for
possible additional information or contact your Dealer or Customer
Service for assistance.
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