7-9
SECTION 7 -
PLUMBING
NOTE: DO NOT burst air into the system. This
can damage the water pump. It is better
to let air in slowly.
9. Let air flow for five minutes until water is
completely drained out of faucets and drain
valves. Then close faucets one at a time.
10. Operate and hold toilet flush lever until water
is completely drained from toilet.
11. Turn air pressure off and disconnect water
purge adapters. Recap the city water
connection to avoid contamination by dirt or
insects.
12. Follow procedure listed in “Final Steps.”
Method 2 - Antifreeze Fill
Procedure
NOTE: As an alternative to totally draining the
plumbing system, you may winterize
tanks and lines by pumping non-toxic RV
antifreeze through the system. This
product is available from your dealer
and from most RV supply stores. Follow
directions on the container to determine
the correct amount to use for your coach.
Your coach is equipped with a manually
operated water line winterization system for your
convenience in winterizing fresh waterlines.
The system features a diverter valve with
suction tube to draw non-toxic RV water system
antifreeze into the waterlines. There is also a
water heater bypass valve to avoid filling the
water heater with antifreeze. This feature is
located near the water pump in the water center
or utility compartment.
Leave bypass valve handle in NORMAL
FLOW position if draining water and blowing
out waterlines. Place in BYPASS position ONLY
when using antifreeze in waterlines.
Set Up Winterization Valves
1. Turn water heater bypass valve to BYPASS
position.
2. Remove and save the protective cap from the
end of the antifreeze draw tube.
3. Insert the end of the draw tube into a pail or
other container with 2 to 3 gallons of non-
toxic RV antifreeze solution.
4. Turn the diverter valve handle so that it points
toward the suction tube.
Fill Lines
5. Turn the water pump switch on.
6. Open each hot and cold water faucet handle in
the coach, one at a time, until antifreeze
solution just begins to flow from the faucet,
NOTICE
Limit air pressure to 30 psi to avoid
damage to equipment.
WARNING
Never use automotive antifreeze/coolant
in your RV water system. Auto antifreeze
contains ethylene glycol which, if
ingested, can cause blindness and can
be fatal.
Siphon
Tube
(insert into
container of
RV water
system
antifreeze)
Winterizing
Valve
(point toward
siphon tube for
winterizing)
Winterization Valve
(See Drain Valve Location chart at end of this section)
-Typical View
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