Winnebago Adventurer 27N Manual page 97

antifreeze. See the "Water System Drain Valve
Locations" chart at the end of this section for
location on your model.
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 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.
Remove Water Filters (if equipped)
1. Remove Full-Coach Water Filter. Remove
the filter canister from the Full-Coach Water
Filtration System in the water service center
and discard the filter cartridge.
After emptying the canister, remount it onto
the filter assembly and continue the Blow-Out
Procedure.
Set Up Winterization Valves
2. 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).
3. Remove and save the protective cap from the
end of the antifreeze siphon tube (save cap to
cover tube after use).
4. Insert the end of the antifreeze siphon tube
into a pail or other container with 2 to 3
gallons of non-toxic RV antifreeze solution.
5. Turn the Winterization valve handle so that it
points toward the antifreeze siphon tube. (See
"Water System Drain Valve Locations" chart
at the end of this section for location on your
model).
RV Antifreeze Siphon Tube
and Winterization Valve
-Typical View
(See "Water System Drain Valve Locations" chart at
the end of this section for location on your model)
NOTE: Ensure that all drain valves are
CLOSED before pumping RV antifreeze
into the water system.
Refer to the "Water System Drain Valve
Locations" chart at the end of this
section for valve locations on your
model.
Fill Lines
6. Turn the Water Pump switch on.
7. Open each hot and cold water faucet handle in
the motorhome - one at a time, until antifreeze
solution just begins to flow from the faucet,
then close.
Do not forget the exterior shower/wash station
knobs.
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.
When Done Adding RV Antifreeze
9. Turn the Water Pump switch off.
SECTION 7 -
PLUMBING
Antifreeze
Siphon Tube
• Insert into
container of
RV water
system
antifreeze
Winterization
Valve
• Point toward
antifreeze
siphon tube to
winterize
7-17