7-13
SECTION 7 –
PLUMBING
• Twist the filter cartridge counter-clockwise
(left) about a quarter-turn and pull it down and
out of the filter socket.
NOTE: The water filter head has a built-in
bypass. No separate diverter plug is
needed.
2. Remove the filter canister from the full-coach
water filtration system in the water center
compartment (if equipped) and discard the
filter cartridge.
(If your coach is not equipped with a full-
coach water filtration system, proceed to the
next numbered step.)
After removing filter, remount the empty
canister onto the filter assembly and continue
the antifreeze fill procedure.
Set Up Winterization Valves
3. Turn Winterization Valve 1 to “Water Heater
Bypass” position to avoid filling water heater
with antifreeze.
.
4. Place handle of Winterization Valve 2 in the
“Winterize” position.
5. Remove and save the protective cap from the
end of the antifreeze siphon tube (which
connects to Winterization Valve 2). Insert the
end of the siphon tube into a pail or other
container with 2 to 3 gallons of non-toxic RV
antifreeze solution.
.
Fill Lines
6. Turn the water pump switch on.
7. Open each hot and cold water faucet handle/
knob in the coach – one at a time each in turn
until antifreeze solution just begins to flow
from the faucet, then close.
Do not forget exterior shower/wash station
knobs (if equipped.)
8. Press the toilet flush pedal and hold until
antifreeze begins flowing into the toilet.
Leave small amount of antifreeze that remains
in the bowl.
See Water System Drain Valve chart at the end
of this section for location on your coach
See Water System Drain Valve chart at the end
of this section for location on your coach
RV Antifreeze Siphon Tube
in water center or near water pump
(insert into container of RV water system antifreeze)
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