THOR Jayco Precept 2021, Owner'S Manual, Page: 119 / 173

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Section 8: Plumbing System
9. Open faucets and check that the chlorine taste is gone.
10. Drain the system one more time.
11. Remove the clear tube and replace the cartridge filter (if so equipped), or remove full
system canister, insert filter, and reattach canister to the mount.
12. Refill the fresh water system with clean water.
After filling the water tank, set the valves to either DRY CAMPING or CITY WATER
in order for water to flow through all fixtures in the plumbing system. Water heater
power can be restored (storage type water heater must be full of water).
Winterizing the Plumbing System
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 your RV is equipped with a residential style refrigerator, winterizing instruction
sheet (0311859 Whirlpool) may be included in your Warranty Packet.
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 P3 Uni-Dock Utility System section for valve settings. It may be
easier to winterize the RV with another person to assist you.
Refer to Sanitizing the Plumbing System section for an explanation of docking station
valve positioning and routing information.
NOTE: The winterization process may vary slightly due to different plumb -
ing configurations between models.
NOTE: Appliances (refrigerator, dishwasher or clothes washer) must be
winterized. Refer to the appliance owner's manual for possible additional in -
formation or contact your Dealer or Customer Service for assistance If your
RV is equipped with a residential style refrigerator, winterizing instruction
sheet (0311859 Whirlpool) may be included in your Warranty Packet..
NOTE: The water heater must be drained to prevent damage from freez -
ing. The valves on the P3 utility center automatically bypass the water
heater. Do not drain the water heater while it is hot or under pressure!
Antifreeze should be kept out of the water heater.
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