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CHAPTER 4
THE SYSTEMS
PLUMBING SYSTEM
Fresh Water
Available in your Jayco folding camping trailer are
several types of fresh water tanks and filling meth-
ods based on options purchased. Each type is
explained below along with its operation.
1. A five gallon portable water tank is located
inside the cabinet nearest the sink. A 3/8" non-
pressure hose is attached to the container.
2. A ten gallon (or larger) water tank may be permanently
installed in your camper. To fill the tank, open the lid as
shown. (Fig. 4-1) Insert or hold the water hose and fill to
the desired capacity. The tank has an overflow outlet, but
care must be taken to not overfill it.
CAUTION: Overfilling the tank can potentially pressurize it
and cause leakage.
3. Water may be received into the system through a direct
hookup, referred to as “city water connection,” (Fig. 4-2) when attached to entry
supply and water hose.
4. Operation of hand pump:
Tank Water - place handle into vertical position, using short strokes. Allow 10-20
seconds to prime pump and fill the water lines before filling sink.
City Water - move handle down slowly to open “CW” valve. Hold in this position
for quick use. Press down completely to lock for continuous water flow.
WARNING: Handle should be in the TANK WATER position when
connecting city water to avoid city water spill.
Depress handle while traveling. Spout will swivel over 90° for your convenience. The
spout is NOT a handle.
5. On camping trailers with the deluxe plumbing package, or shower/toilet options,
there is an additional 12-volt DC demand pump to supply water needs. This device
requires 12-volt DC power from either a deep cycle battery, or a converter when
120-volt AC power is available. A 12-volt DC switch is located on a cabinet near
the pump to turn the power on or off. When 12-volt DC power energizes the pump,
it will self-prime and fill water lines and components. When pressure achieves
approximately 40-45 pounds, the pump will shut off and restart when the pressure
drops to 21 pounds. Some cycling of the pump may occur, depending on the volume
of water used. A check valve is located inside the pump to prevent water from
flowing into the supply tank. It is suggested that you turn the 12-volt DC power off
at the switch when using direct water supply.
Fig. 4-2
Fig. 4-1
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