WATER SYSTEM
THOR MOTOR COACH | MADE TO FIT
85
12
Typical water pump installation
Water pump strainer
there is water in the fresh water holding tank, the pump will
turn on and o automatically as water demand requires.
OPERATING THE WATER PUMP
e water pump is designed to operate automatically on an
as-needed basis. Using the water pump continuously, such
as leaving a faucet open for an excessive time period, or
operating the water pump without water in the fresh water
holding tank, will shorten its operational life and is not
covered by warranty. e water pump has a check valve that
prevents water from back-owing into the fresh water tank.
DO NOT OPERATE THE WATER PUMP IF THE
FRESH WATER HOLDING TANK IS DRY OR THE
MOTORHOME IS CONNECTED TO AN EXTERNAL
WATER SOURCE.
1. Make sure there is adequate supply of water in the
fresh water holding tank.
2. Be sure the water heater bypass valves are set correct-
ly according to your water system label. DO NOT
OPERATE THE WATER HEATER IF ITS WATER
SUPPLY IS BYPASSED.
3. Open all the faucets (rst hot, then cold) including your
interior and exterior shower faucets.
4. Turn the pump switch ON, and allow the water pump
to ll the water lines and hot water heater tank (if
installed). Aer water is owing in a steady stream
from all your faucets, turn the faucets OFF. e water
pump should stop operation automatically when all
faucets are closed. e pump should now run 'on-de-
mand' when a faucet is opened, and stop when the
faucet is closed.
5. e water pump switch must be ON to provide water
to the toilet.
e switch for the water pump is usually located on
the Monitor Panel or Multiplex Main Control Panel (if
equipped). Refer to Electrical System Section.
For additional information on the care and operation of
the water pump, refer to the water pump manufacturer’s
information.
Water pump Strainer
If equipped, periodically check the in-line water pump
strainer for accumulated debris. To clean the water pump
strainer shut OFF the water pump, unscrew the clear cap,
remove the reusable metal cartridge, clear any debris, and
reinstall the strainer and cap.
Water Panel
Select motorhome models are equipped with a water systems
panel, similar to this illustration. However, if your motor-
home is not tted with a water systems panel, it will include
most, if not all features depicted, just located in other areas of
the motorhome. Water systems may include:
• Valve panel
• Fresh water inlet
• House water lter
• External shower
• Low point drains
• Water pump switch
• Black tank ush
• Compartment light
Your dealer or TMC Customer Care representative
can assist you in locating water system features of your
motorhome.
Illustrated here is a water system panel for a Class A motorhome.
Features vary by model and floor plan.
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