SECTION 7 –
PLUMBING
7-10
3.
Drain Exterior Shower/Wash Station.
Open exterior shower knobs and lay shower
head on ground as shown to drain any water
left in the shower line. Also place the tip of
your finger into the city water inlet and gently
press the backflow valve “button” in the
center of the inlet to drain any water trapped in
the inlet line.
4.
Remove the Water Filter Cartridge (if
equipped).
Remove the filter cartridge from
the filter assembly below the galley sink.
(
If your coach is not equipped with a filtered
water faucet, proceed to the next numbered
step.
)
•
Twist the filter cartridge counter-clockwise
(left) about a quarter-turn and pull it down and
out of the filter socket.
5.
Remove Full-Coach Water Filter (if
equipped).
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 emptying the canister, remount it onto
the filter assembly and continue the blow-out
procedure.
6.
Open Faucets.
Turn on the water pump and
open all sink faucets and shower head knobs.
Leave open after water stops flowing.
7.
Drain Toilet.
Press the toilet flush pedal and
hold until water stops flowing in the toilet.
Then turn water pump switch off.
8.
Drain Optional Appliances.
At this time, if
your coach is equipped with an optional
refrigerator ice maker, dishwasher, or washer/
dryer, the waterlines for these appliances must
also be drained.
(See “Winterizing Optional Appliances”
instructions at the end of this section.)
If not, proceed to the next step.
9.
Drain Water Heater.
Turn off the water
heater power switch before draining the water
heater tank to avoid damage to the heating
element. Drain the water heater by removing
the plug from the base of the water heater tank,
accessible from the outside of the coach.
(Requires socket and ratchet.)
Also, open the Pressure-Temperature Relief
Valve at the top right portion of the tank to
prevent air locking in the tank while draining.
Using exterior shower to drain waterline
-Typical View
Water Filter Assembly
(Located below galley sink)
Water Heater Drain Plug
(Remove with socket)
