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Tank Heaters (If So Equipped)
Your recreation vehicle may be equipped with heaters for the fresh, gray, black water tanks
and the water lines or drain lines. The larger tank heaters are 120VAC and attach directly to
the tanks. Water line or drain line heaters are smaller and operate on +12VDC and will be
attached to the water lines or drain lines. These heaters will prevent water in the tanks and
lines from freezing down to -11°F (-24°C) (contingent on recreation vehicle setup).
The tank heaters are thermostat controlled and will cycle on and o while they are operating.
The +12VDC heaters stay on constantly. The thermostat controlled tank heaters turn ON at
6. Open the the gray drain valve T-handle.
7. Turn the Macerator Power Switch ON.
8. When tank is empty, turn the macerator power switch OFF. Close the gray tank drain
valve T-handle.
9. Unhook the dump connector, rinse it out and replace the hose and connector back into
the storage compartment or under the utility center.
The black tank ush inlet can be used with this system also (refer to the Black Tank Flush
section).
In the event of a malfunction with the macerator pump, a
macerator bypass valve is located beneath the utility center
or in the compartment with the black/gray tank valves. Some
models will have the bypass valve located under the motor
home, and it is accessed through the generator compartment.
This bypass will dump the waste (using gravity ow) from the
black/gray tanks to a 3-inch dump connector attached to the
bypass valve.
To dump black/gray tanks through the bypass:
1. Remove the dust cap on the macerator bypass connector.
2. Attach a 3-inch sewer hose to this bypass connection
under the motor home or in the utility center, and to a
sewer outlet at a dump station.
3. Empty the tanks one at a time. Black tank should be
emptied rst followed by the gray tank so waste water
from the gray tank will help rinse solids or debris from the dump outlet and hose.
4. Pull the black tank dump valve located at the utility center or in the separate exterior
compartment.
5. Pull the manual macerator bypass valve to open and the black tank will empty by
gravity ow.
6. Close the black tank dump valve, and then close the macerator bypass valve.
7. Open the gray tank dump valve, and then open the macerator bypass valve.
8. When nished, make sure both black and gray tank dump valves are closed, shut o
the macerator bypass valve, and disconnect the sewer hose from under the motor home
and at the dump station.
9. Clean and store the sewer hose.
10. Replace the dust cap on the macerator bypass.
The black tank ush inlet can be used with the macerator bypass (refer to the BlackTank
Flush section).Contact your RV dealer for assistance in the purchase and installation of a
sewer hose and/or sewer hose extension (if needed).
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