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Utilities & Systems
Draining the Water System
UNITS WITH UTILITY CENTER SYSTEM
To drain the fresh water tank, open the tank low point drain valves in the utility center.
UNITS WITH NON BASEMENT SYSTEM
To drain the fresh water tank, utilize the table of information supplied previously for the
valve set up that is specific to your unit.
SANITATION SYSTEM
Your motorhome is equipped with a complete sanitation system. The components of this
system are the toilet, waste water and sewage holding tanks and drains for both tanks.
Familiarize yourself with all functions of the system. Read, understand and follow the
information found here as well as information in the "Set Up Camp..." chapter. If you have
questions, consult with your independent, authorized dealer for clarification.
Caution: For the protection of your sanitation system and the environment, always
use biodegradable toilet paper that is specifically rated for recreation vehicles. If
you have questions, consult with your independent, authorized dealer.
Using Toilet and Tank System
.
NOTE: For added convenience and better sanitation system performance, it is
advisable to always have four to six inches (10-15 cm) of water in the toilet.
Prior to using the sanitation system, it is strongly recommended to flush the toilet several
times to release sufficient water into the holding tank. If there is not a sufficient amount of
water used during flushing, the waste materials may not evacuate properly from the drain
line to the tank. Clogged tanks and pipes could eventually occur.
The toilet system will perform better when water is run for ten to fifteen seconds after
flushing to ensure that the waste will proceed to the bottom of the tank. Unlike a toilet in a
home, which uses four to seven gallons (18-32 liters) of water per flush, the average
recreation vehicle system uses one to three quarts (1-3 liters).
Vents
Another important part of the sanitation system are the vents which release air from the
tanks. Each tank has a vent pipe built into the motorhome through the cabinet, wall and
roof. A vent cap is attached to the roof and must be clear of obstructions to perform as
intended. On some models, the vent pipe may be part of the drainage system referred to as a
"wet vent." This means water flows downward as air flows upward in the same pipe.
Holding Tanks
The final part of your system are the holding tanks. They hold waste and are located below
the floor of your motorhome. The bath tub and sinks drain into the waste water tank, also
referred to as the "gray" water holding tank. The toilet drains into the sewage holding tank,
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Granite Ridge/Greyhawk/Escapade Type C Motorhome
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