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NOTE: It is not necessary to add antifreeze to
the toilet since the flush valve will be
closed.
Do not add automotive antifreeze or
caustic chemicals such as bleach or
laundry detergents into the toilet bowl or
holding tanks. Although these products
may have a deodorizing effect, they may
damage plastic and rubber parts in the
system.
14. Empty the water pump strainer filter bowl to
avoid water freezing and cracking the filter
bowl. See "Water Pump" previously in this
section.
Dump and Clean Holding Tanks
15. Completely drain the sewage and waste water
holding tanks at an approved waste disposal
site. Drain the sewage tank first so the
following waste water can rinse any waste
solids from the sewage drain outlet and sewer
hose.
16. Close dump valves and refit the dust cap onto
the sewage drain outlet.
This will inhibit rust formation on valve shafts
and prevent entry and contamination by
airborne debris, insects, and rodents.
Your drainage and fresh water systems are
now winterized.
See instructions for removal from storage in
Section 11 - Maintenance and Storage.
Method 2 – Antifreeze Fill
Procedure
(Fill plumbing lines with RV water system
antifreeze)
NOTE: As an alternative to totally draining the
waterlines, you may winterize tanks and
lines by filling them with non-toxic RV
water system antifreeze through the
plumbing system.
This product is available from your
dealer and from most RV supply stores
and national retail outlets.
Follow directions on the container to
determine the correct amount to use for
your coach.
Your coach is equipped with a manually
operated waterline winterization system for your
convenience in winterizing fresh waterlines.
The system features a Winterization (diverter)
valve with siphon tube (located near the water
pump) 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.
Leave the Water Heater Bypass valve handle
in NORMAL FLOW position if draining water
and blowing out waterlines. Place in BYPASS
position ONLY when using antifreeze solution in
waterlines.
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.
Set Up Winterization Valves
1. Turn Water Heater Bypass valve to BYPASS
position. (See "Water System Drain Valve
Locations" chart at the end of this section for
location of bypass valve on your model).
2. Remove and save the protective cap from the
end of the antifreeze siphon tube (save cap to
cover tube after use). Insert the end of the
siphon tube into a pail or other container with
2 to 3 gallons of non-toxic RV antifreeze
solution.
SECTION 7 –
PLUMBING
7-13
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