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PLUMBING SYSTEM
Included in your Jayco recreation vehicle is a complete fresh water system. Fresh water
may be maintained through two sources: city water connection or gravity fill tank. Each
component is explained along with its operation.
Fig. 4-1
City Water Connection
Water may be received into the system through a direct hookup referred to as the city
water connection. (Fig. 4-2 or 4-3) After hooking up water hose to travel trailer, open
valve on supply line. Enter coach and open faucets to bleed air from lines. Water will fill
water heater first before supplying lines and faucets. When lines are almost full, you may
experience some air pockets. Allow them to escape before closing faucets.
CAUTION: Excessive pressure from water supply systems may be encountered in
some parks, especially in mountain regions. Water pressure regulators are available
to protect your system against such high pressure. A regulator of this type is
recommended to prevent damage to plumbing systems or components. A 45-pound
rating is suggested. Not using a water pressure regulator when using city water may
cause the o-rings to blow. It is advisable to always use a water pressure regulator
when using the city water connection.
Gravity Fill Tank
A water container is permanently installed in your recreation vehicle. On some models it
is located inside the travel trailer under a bed, dinette, or sofa. Other models may have an
external tank under the floor between frame members.
Fills
There are two types of gravity fill connections to the fresh water tank. Fig. 4-1 is the
type found on most models. Fig. 4-2 has a combination of gravity fill and city water
connection enclosed which requires a key to gain access.
CHAPTER 4
THE SYSTEMS
Fig. 4-2
27
Fig. 4-3
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