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MasterCraft XT20 User Manual

MasterCraft XT20
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is unattended for a brief period). All passengers MUST be instruct-
ed on how to close valves when the toilet is not in use. Failure to do
so can result in flooding which can cause loss of property and life.
NOTE: Make sure all guests understand toilet operation before use.
To empty the waste holding tank
Dockside pump out
The dockside pump out connection is located on the starboard side
forward deck in front of the windshield.
4. Open the deck plate.
5. Dock/or fit suction hose from the pump out station or marina into
the deck plate.
6. Turn on suction pump and monitor the tank level fullness on the
waste tank monitor in the head compartment.
7. Turn o pump when the monitor reads empty.
The pickup goes to the bottom of the tank and will get most but not
100% of the waste out of the tank.
The tank is protected with Vacuum relief valve to prevent the tank
from imploding from dockside pumps that generate huge vacuums.
Optional Overboard Discharge
The boat may be equipped with optional overboard discharge
system to allow waste to be pumped out the bottom of the boat if
you are more than 3 miles oshore or in an area where it is legal to
dump waste. Check your local regulations to be sure.
1. Open the overboard shuto valve located under the center floor
locker hatch in the walk-through area of the boat.
2. Lift the starboard side bow lounge seat in front of the driver.
3. Insert key into pump switch panel located under this seat.
4. Turn the key clockwise and hold to operate the discharge pump. The
switch is spring loaded and must be held to run the pump.
5. Run the pump until the tank level monitor reads empty.
6. Close the overboard shuto valve.
7. The overboard discharge pump is located in the same area as
the key switch, under the starboard side bow lounge seat in front
of the driver.
Cleaning the toilet
To maintain the toilet’s original appearance, use Dometic® Toilet Bowl
Cleaner or other non-abrasive bathroom and toilet bowl cleaners.
Please follow label directions.
To avoid damaging internal seals, do not clean toilet with abrasive
cleaners, caustic chemicals, or lubricants and cleaners that con-
tain alcohols or petroleum distillates.
2021MCOwnerManualFINAL.indd 295 8/26/20 1:53 PM

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MasterCraft XT20 Specifications

General IconGeneral
Length20 ft
Beam98 in / 2.49 M
Seating Capacity11 people
EngineIlmor 6.0L MPI
Engine OptionsIlmor 6.0L GDI

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