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SECTION 7 –
PLUMBING
7-16
.
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
5. Turn the Water Pump switch on.
6. 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).
7. Press the toilet flush pedal (or electric wall
switch, if your coach is equipped with an
electric flush toilet) and hold until antifreeze
begins flowing into the toilet.
Leave small amount of antifreeze that remains
in the bowl.
When Done Adding RV Antifreeze
8. Turn the Water Pump switch off.
9. Turn the Winterization Valve 2 to “Normal”.
This will stop the flow from the antifreeze
siphon tube and revert the tank line flow to the
pump.
10. Replace the protective cap onto the end of the
antifreeze siphon tube to keep out insects and
debris when not in use.
Drain Water Heater
11. 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.
• Reinstall the water heater drain plug and
close the P-T Relief valve when drained.
Drain Appliances
12. At this time, if your coach is equipped with an
optional refrigerator ice maker, dishwasher, or
washer/dryer, the waterlines for these
RV Antifreeze Siphon Tube
(See the “Water System Drain Valve Locations” chart
at the end of this section for location on your coach)
-Typical View
• Insert into container of RV water system
antifreeze
Water Heater Drain Plug
(Remove with socket)
Pressure-Temperature Relief Valve
(Lift handle only when water heater is cold)