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Sanitizing the Plumbing System
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.
Truma AquaGo Water Heater s
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 storage type water
heater) Single switch inside the RV for Truma
AquaGo tankless.
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. Refer to Truma AquaGo Water
Heater section for draining instructions if your
motor home is equipped with the Truma AquaGo
tankless water heater.
4. If your motor home has a standard storage type water heater you must remove the drain
plug to drain the water heater. (See photo for drain plug location)
5. Replace the water lter cartridge with the plastic bypass hose.
Automotive antifreeze (ethylene glycol) and windshield washer antifreeze
(methanol) are poisonous. Never use these products in your fresh water
system. These products are harmful and may be fatal if swallowed.
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 be used
in the plumbing system. Repairs due to freezing are not covered under the
terms of the .
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