SECTION 7 –
PLUMBING
7-12
21. Close dump valves and refit the dust cap onto
the 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
totally winterized.
See instructions for removal from storage in
Maintenance Section.
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 diverter valve with
siphon 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 solution in waterlines.
Remove Water Filters (if equipped)
Before pumping RV antifreeze into water
system, remove water filter cartridges (if
equipped.)
1. Remove and discard the filter cartridge from
the filtered water faucet assembly (if
equipped) below the galley sink.
(
If your coach is not equipped with a filtered
water faucet, proceed to the next numbered
step.
)
•
Twist the filter cartridge counter-clockwise
(left) about a quarter-turn and pull it down and
out of the filter socket.
NOTE: The water filter head has a built-in
bypass. No separate diverter plug is
needed.
2. Remove the filter canister from the full-coach
water filtration system in the water center
compartment (if equipped) and discard the
filter cartridge.
(
If your coach is not equipped with a full-
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.
Water Filter Assembly
(Located below galley sink)
