7-15
SECTION 7 –
PLUMBING
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
motorhome.
Your motorhome is equipped with a manually
operated waterline winterization system for your
convenience in winterizing fresh waterlines.
The system features a winterization (diverter)
valve with an antifreeze siphon tube to draw non-
toxic RV water system antifreeze into the
waterlines. This feature is located near the water
pump.
Remove Water Filters
1. Remove the filter canister from the Cold
Water Filtration System under the galley sink
and discard the filter cartridge.
After emptying the canister, remount it onto
the filter assembly and continue the
Antifreeze Fill Procedure.
2. Remove the filter canister from the Full-
Coach Water Filtration system in the water
service center and discard the filter cartridge.
After removing filter, remount the empty
canister onto the filter assembly and continue
the Antifreeze Fill Procedure.
Set Up Winterization Valves
3. Turn Winterization Valve 1 to “Water Heater
Bypass” position to avoid filling water heater
with antifreeze.
If your motorhome is
equipped with a Tankless Water Heater, skip
this step and proceed to the next numbered
step
.
.
4. Turn Winterization Valve 2 to the “Winterize”
position.
5. Remove and save the protective cap from the
end of the antifreeze siphon tube (which
connects to Winterization Valve 2). Insert the
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.
Winterization Valve 1
(See “Water System Drain Valve Locations” chart
at the end of this section for location on your
motorhome)
-Typical View
Winterization Valve 2
(See “Water System Drain Valve Locations” chart
at the end of this section for location on your
motorhome)
-Typical View
