107
Plumbing Systems
12-Volt Water Pump
Once activated, the water pump (
or
on-demand
pump
) will
self-prime, and provide water. The water pump continues
to run until approximately 45 lbs. of pressure is achieved
and shut off. The water pump will automatically restart when
pressure drops. Some cycling may occur, depending on the
volume of water being released. The water pump has a built-
in check valve to prevent water from back flowing.
Water pump filter (if so equipped)
is a screen filter locat-
ed on the inlet side. This reusable screen must be cleaned
periodically.
Fresh Water Holding Tank
The fresh water tank can be pressure filled using the fresh
water inlet (called city water). Plastic overflow tubes are
plumbed into the fresh water holding tank to allow water to
flow out of the water tank. Occasionally, you may see water
coming from the overflow tubes (located underneath the RV)
when the fresh water holding tank is filled. This is normal, and
is caused by external circumstances, including the RV being
parked on an incline, or the motion caused by starting or
stopping the RV during travel.
DO NOT cap, block or modify the fresh water tank over-
flow tubes in any way. If the overflow tubes are obstructed,
enough water pressure can build up during the filling process
to damage the plumbing system.
Water Pressure Regulator
(Customer Supplied)
Excessive pressure from water supply systems may be en-
countered in some parks, especially in mountain regions.
Water pressure regulators can protect your system against
such high pressure. Water pressure regulators are available
for purchase from your RV dealer to protect the plumbing
system against such high pressure.
Be careful not to overfill
the fresh water holding
tank. It can pressurize the
tank, causing leakage and
water damage and void the
warranty. DO NOT leave
the tank unattended while
filling.
NOTICE
Not using a water pressure
regulator when using city
water may cause the
o-rings to fail. To prevent
damage to the plumbing
system or components
when using the city water
connection, a water
pressure regulator rated for
40 lbs. is recommended.
NOTICE
The fresh water connection
should be unplugged (i.e.
the non-toxic drinking water
hose disconnected) when
the RV is left unattended
for any amount of time. If
something would happen to
the water system, this may
help limit water damage to
a smaller area.
NOTICE
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