2. If so equipped, replace the water filter
cartridge with the clear plastic bypass
hose.
3. Make sure the water heater 12-volt and
120-volt interior control switches are OFF.
4. Turn the water heater bypass valves to the
BYPASS position.
5. Make sure the “fresh tank drain” and "low
point drains" are closed.
6. Insert the garden hose into a container of
RV antifreeze solution (this quantity should
be enough to winterize the RV); attach the
other end to the Gravity Fill.
7. Turn the water pump ON.
8. Open the hot water line on all the faucets
(kitchen, lavatory, shower and outside
shower) until RV antifreeze begins to flow
continuously.
9. Close the faucet hot water lines and repeat
with the cold water lines on all the faucets.
Do not forget to run RV antifreeze through
the toilet.
When you are done adding RV antifreeze
10. Remove the garden hose from the
container of RV antifreeze.
11. To prevent staining, wipe the RV
antifreeze out of the sinks, shower (or tub)
and toilet using a soft, dry cloth.
To reduce the chance of contamination,
prevent the garden hose from coming into
contact with the ground. If needed, contact
your RV dealer for assistance.
BLACK/GREY WATER SYSTEM
Water from the sinks and shower (or tub) flow
into the gray water (or waste water) holding
tank. Water from the toilet will flow into the
sewage (or black water) holding tank. Certain
floor plans may also have the lavatory draining
into the waste (black) tank.
Drain pipes
The drain pipes have a “P-trap” installed to
help prevent odors from escaping into the RV.
During travel, water from the P-traps may spill
and permit odors into the RV. These odors
come from food particles decomposing in the
tank. By adding water and using a RV
approved deodorizing agent you will dissolve
the contents faster and will keep the drain lines
and tanks clean and free flowing. These
chemicals are available at an RV supply store
or your Jayco independent dealer.
Vents
Another important part of this system is the
vent pipes and vents that release air from the
grey and black water holding tanks. The
exterior vent cap is attached to the roof and
must be kept clear of obstructions to perform
as intended. On some models, the vent pipe
may be part of the drainage system referred to
as a “wet vent” (water flows downward as air
flows upward in the same pipe).
BLACK/GREY WATER HOLDING
TANKS
The weight of the holding tank contents is not
calculated into the RV cargo carrying capacity
(this extra weight would reduce your available
cargo capacity). Traveling with full holding
tank(s) could possibly cause you to exceed the
individual tire ratings and/or the RV GAWR or
RV GVWR. Potential damage to suspension
components, such as springs, tires and axles,
could result. If your RV holding tank(s) are
located behind the axles, the weight of the full
tank(s) will reduce the hitch weight. Trailer
sway and other handling difficulties can be the
result of the hitch weight being too light.
Dump the gray and black water holding tanks
before traveling to avoid carrying unnecessary
weight. If you are dry camping and cannot
55
SECTION 8
PLUMBING SYSTEM
WARNING
Never travel with full black or grey water
holding tanks. This not only wastes your
fuel but depending on the location of the
tank(s), it can affect your tow vehicle
handling characteristics.
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