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This method uses compressed air to blow out any remaining water in the system after ini-
tially draining water using drain valves.
1. Turn o the water heater gas valve typically located outside the RV. Water heater power
should be OFF (turn o both ELECTRIC and GAS switches). (Turn o power to the
tankless water heater)
2.
3. Level the RV and drain the fresh water tank, tank (storage) water heater and hot and
cold water lines. Open all low point drains and
fresh water tank drain. Open faucets inside the
RV to relieve pressure and allow lines to drain.
Refer to Draining the Fresh Water System sec-
tion.
4. Remove the drain plug from the tank (storage)
water heater () (typically located outside the
RV).
5. To drain tankless water heater: open water fau-
cets, then use compressed air at the City Water Connection on
the utility center.
). There is no drain plug.
6. Water lter should be removed for winterizing. See Water
Purication System section. Your RV may have one of two
types of lters:
On full system canister water
lters remove the canister, take out the lter, and re-attach
the empty canister.
Remove the cartridge lter, and
replace it with a bypass hose that is supplied with your RV.
MUST be set to 45° or damage may occur
to the utility center.
Never apply air pressure to the water system with any of the 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 questions, consult with your RV dealer. Using RV antifreeze is
the preferred method of winterization.
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