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1. Turn o water heater gas valve typically located outside the RV. Water heater power
should be OFF (both electric and LP Gas switches). Single switch is inside the RV for
the tankless water heater (if so equipped). The utility center has no dedicated water
heater bypass valves. This function is built into the utility center.
2. Level the RV and drain the fresh water tank, the tank (storage) water heater and the hot
and cold water lines. Open all low point drains and the fresh water tank drain. Faucets
inside the RV should be opened to relieve pressure to allow water lines to drain. Refer
to Draining the Fresh Water System section.
3. Remove the drain plug from the tank (stor-
age) water heater located outside the RV
4. To drain a tankless water heater (if so
equipped), open water faucets and use com-
pressed air at the City Water Connection on
the utility center. There is no drain plug.
5. Water Filter preparation:
Remove the canister, take
the lter out of the canister, then reattach the empty canister.
Use the clear plastic tube
(supplied with RV) to bypass the water lter.
6. Turn the (color) valve handles to the POWERFILL position.
7. Low point drains should be open to remove water from the lines.
8. Open all faucets in the RV. If there is an outside shower, attach the shower hose to the
shower, and open shower faucets.
9. Drain plug should be removed from tank (storage) water heater.
10. Run the water pump until pump is dry (approximately 15 to 20 seconds). Do not oper-
ate pump longer than that without water as it can damage the pump.
11.
, 4 colored valves (WHITE,
RED, GREEN, BLUE) MUST be set to 45° or damage may occur to the utility
center.
Never apply air pressure to the water system with any valves in the closed
position. Air pressure applied to a closed valve, faucet or low point drain
could potentially damage the seals and cause water leaks. If you have ques-
tions, consult your RV dealer. Using RV antifreeze is the preferred method of
winterization.
Recommended air pressure is 30 PSI MAX.
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