SECTION 8
PLUMBING SYSTEM
52
caused by starting or stopping the RV during
travel.
Do not cap, block or modify the fresh
water tank overflow tubes in any way.
Enough water pressure can build up
during the filling process to damage the
plumbing system if the overflow tubes are
obstructed.
WATER PRESSURE REGULATOR
Excessive pressure from water supply
systems may be encountered in some parks,
especially in mountain regions. Water
pressure regulators are available to protect
the RV water system against such high
pressure. Water pressure regulators
(customer supplied) are available from your
RV dealer to protect the RV plumbing system
against such high pressure.
12-VOLT WATER PUMP & SWITCH
When you want to use
water in your RV and the
RV is not hooked up to
city water, you will need
sufficient 12-volt DC
power to run the water
pump.
Once activated, the
water pump (also known
as the demand pump) will self-prime, and
provide water. The water pump continues to
run until approximately 45 lbs. of pressure is
achieved then shut off. The water pump will
automatically re-start 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.
All water pump switches illuminate when the
water pump is activated. Please be aware the
water pump must be shut OFF at the same
switch used to turn it ON.
The water pump switch should be in the
OFF position when the RV is unattended
for any amount of time. If something would
happen to the water system, this may help
limit water damage to a smaller area.
Fig. 8.2 Water pump strainer
Periodically check the in-line water pump
strainer for accumulated debris. To clean,
shut off the water pump, unscrew the clear
cap, remove the re-useable metal strainer and
clear any debris, then reinstall.
WATER HEATER
The water heater is designed to heat water
quickly and efficiently. The water heater OEM
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.
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.
Fig 8.1
Water pump
Do not replace any component part with an
accessory part that is not authorized by the
water heater OEM (i.e., an “add-on”
electric heating element, etc.). Such items
are not approved to be installed, could
create an unsafe condition and will void all
warranties.
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