Grand Design Reflection Fifth Wheel 150 Series, Owner'S Manual

Page: 120 / 220

Plumbing Systems
114
Winterizing the Plumbing System
Preparing your RV for storage is very important in climates that
experience cold weather. Follow the steps listed below at the
end of the camping season.
• ALWAYS winterize the fresh water system of your RV
BEFORE exposure to temperatures at or below 32°F (0°C).
◦
Damage to the water supply lines or water heater
due to freezing is not covered under warranty .
•
Winterize with
RV Antifreeze
ONLY
, no other products
should ever be added to your fresh water system.
◦
Make sure to have enough RV antifreeze to winterize
all fresh water lines. Several gallons may be required .
•
BEFORE Winterizing, the Black Water, Gray Water &
Fresh Water plumbing systems MUST all be emptied .
See page 117 & page 112.
1. LEVEL the RV.
2. Turn OFF the Water Heater 12-volt and 120-volt interior
control switches .
3. Please refer to page 130-133 , Nautilus P1 User Instructions
for detailed instructions on specific valve positions.
4. OPEN the Fresh Water Holding Tank Gate Valve ,
and CLOSE both
low point drains
.
5. CONNECT a
garden hose
to the City Water Connection.
DO NOT use your fresh (potable) water hose
.
◦
PLACE the other end of the hose into
a container of RV Antifreeze .
6. PRIME the pump by filling the hose with RV antifreeze,
then Turn ON the Water Pump .
7. OPEN the * hot water line at each faucet.
( Kitchen, Lavatory, Shower, & Outside Faucet/Spray Port )
◦
CLOSE each * hot water line faucet when
RV antifreeze begins to flow continuously.
8. REPEAT Step 7 with the * cold water lines on all
faucets. It is also important to run RV antifreeze
through the Toilet and the Sink/Shower Drains .
When you are done adding RV antifreeze
9. BLOW OUT the black tank flush line at the outside
connection with compressed air (max 70 PSI).
10. To prevent staining , CLEAN any RV antifreeze from the sinks,
shower (or tub), and toilet using a soft, dry cloth.
It is important to
read all instructions
& understand
each step before
beginning the winterization
process. It may be easier
to winterize the RV with
another person to assist
you. If needed, contact
your dealer for assistance.
Both automotive antifreeze
(ethylene glycol) and wind-
shield washer anti-freeze
(methanol) are poisonous.
NEVER use these products
in your fresh water system.
They are harmful and may
be fatal if swallowed.
WARNING