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13. After lling the water tank, set the valves to either DRY CAMPING or CITY WATER
in order for water to ow through the water heater again.
Preparing your recreation vehicle for colder weather or storage is very important for most
states and Canada. Failure to prepare your RV may cause water supply lines and the water
heater to freeze. The RV should be winterized at the end of the camping season or when it
will be exposed to temperatures that will fall at or below 32°F (0°C). Repairs due to freezing
are not covered by warranty.
If you chose to perform the winterization process yourself, read and understand the follow-
ing information before starting. Contact customer service or your dealer for questions about
this process. Refer to the Uni-Dock Utility System section for valve settings. It may be
easier to winterize the RV with another person to assist you.
The water heater must be drained to prevent damage from freezing. It is recommended the
water heater be drained and bypassed during the winterization process particularly if intro-
ducing RV antifreeze into the plumbing system.
Antifreeze should be kept out of the water heater.
The tankless water heater MUST have antifreeze in the water heater at all times. Tankless
water heaters can be blown out with air pressure (there is no drain plug) or winterized using
antifreeze in the water lines. Refer to Sanitizing the Plumbing System section for an expla-
nation of docking station valve positioning and routing information.
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.
The winterization process may vary slightly due to different plumb-
ing congurations between models.
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.
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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