Unity Motorhome
100
Water and Plumbing System
2. Pull the black water tank dump valve handle
(1) rst, then pull the grey water tank dump
valve handle (2). Push in the handles when
you no longer hear or feel waste water
owing through the sewer hose.
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1
3
Black Water Waste Tank Rinse
The motorhome is equipped with a black water
waste tank ushing system to improve draining
and to reduce odor. To ush the tank, follow
these steps:
1. Remove the protective cap, and connect
the city water supply hose to the connector
(3) located in the exterior utility center.
2. Open the black water tank dump valve (1).
NOTICE
Always open the black water tank dump
valve before turning on the water supply.
3. Turn on the city water supply to thoroughly
ush the system.
4. Turn off the city water supply, disconnect
the city water supply hose, and install the
protective cap on the connector (3).
5. Close the black water tank dump valve (4).
NOTE: The black water tank ush
line incorporates a non-return valve
(5), which prevents black water
contamination of the city water supply
hose. If city water does not ow when
connected as above, the non-return
valve may be defective and require
replacement. The non-return valve is
located behind various wall panels
depending on coach oor plan (see
oor plan for location).
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