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Water Pressure Regulator (customer supplied)
A water pressure regulator is recommended to prevent damage to the plumb-
ing system or components. To prevent damage when using the city water
connection, a 45 lb. (315 KPa) rated water pressure regulator is recommended.
Excessive pressure from the water supply source may be encountered in some parks, espe-
cially in mountain regions when using the fresh water inlet or black tank flush. Water pres-
sure regulators are available to protect your recreational vehicles plumbing system against
such high pressure.
Fresh Water Holding Tank
There may be several ways to fill the fresh water tank depending on the model. For details
of each method, refer to the Fresh Water Connections or the Utility Center (if so equipped)
sections. There are plastic overflow tubes in the fresh water holding tank which allow water
to flow out of the water tank (see City Water Fill). Occasionally, you may see water coming
from the overflow tubes when the fresh water holding tank is filled. This is normal and can
be a result of the recreation vehicle being parked on an incline, or the motion caused by start-
ing or stopping 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.
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.
12-Volt Water Pump and Switch
When you want to use water in your recreation vehicle and it 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 pro-
vide water. The pump is designed for intermittent use only. Using the pump continuously
or with high pressure will shorten the life of the pump and is not covered in your warranty.
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.
For additional information on the care and operation of the pump, read the safety and operat-
ing information in the pump manufacturer's owner's manual.
Water Pump Switch (if so equipped)
Most water pump switches illuminate when the water pump is activated. In most models,
the (red) pump switch is located on the monitor panel or the utility center. When the water
pump switch is ON the pump runs until 45 lbs. of pressure has been achieved. The red light
will stay on. The water pump automatically recycles when pressure drops. Some cycling
may occur depending on the volume of water being released. Turn the water pump switch
OFF when it is not in use.
Section 8: Plumbing System
115
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