Dometic 320 User Manual
2
IF SERVICE OF THIS TOILET IS EVER REQUIRED,
READ THIS BEFORE SERVICING PRODUCT.
READ THIS BEFORE SERVICING PRODUCT.
DO NOT REMOVE TOILET FROM VEHICLE.
DO NOT SEPARATE CERAMIC BOWL FROM PLASTIC BASE.
DO NOT REMOVE FOOT PEDAL FROM BASE.
DISASSEMBLY OF COMPONENTS MAY VOID WARRANTY.
SEE MANUAL AND REPLACEMENT KITS FOR SERVICE INFORMATION.
DO NOT SEPARATE CERAMIC BOWL FROM PLASTIC BASE.
DO NOT REMOVE FOOT PEDAL FROM BASE.
DISASSEMBLY OF COMPONENTS MAY VOID WARRANTY.
SEE MANUAL AND REPLACEMENT KITS FOR SERVICE INFORMATION.
Dometic Corporation
Sanitation Division
Call Customer Service: 1-800-321-9886 (8 a.m. – 5 p.m. ET)
STOP
TOILET DOES NOT NEED TO BE REMOVED FROM VEHICLE FOR BASIC REPAIRS (if necessary)
Flush ball seal – Dometic’s
revolutionary ball seal allows future
replacement of worn or damaged
ball seals without requiring tools or
toilet disassembly. The ball seal can
be changed in just a few minutes
without removing the toilet from the
floor. Detailed replacement instruc-
tions are included with replacement
ball seal kits.
revolutionary ball seal allows future
replacement of worn or damaged
ball seals without requiring tools or
toilet disassembly. The ball seal can
be changed in just a few minutes
without removing the toilet from the
floor. Detailed replacement instruc-
tions are included with replacement
ball seal kits.
Snap-in water valve cartridge –
Allows easy replacement of worn
or damaged water valves. In cold
climates, be sure to follow winter-
izing procedure in owner’s manual
to help avoid water valve failure.
Refer to replacement instructions
in new water valve kit prior to
removal or installation of water
valve assembly.
Allows easy replacement of worn
or damaged water valves. In cold
climates, be sure to follow winter-
izing procedure in owner’s manual
to help avoid water valve failure.
Refer to replacement instructions
in new water valve kit prior to
removal or installation of water
valve assembly.
Factory-sealed bowl-to-base as-
sembly – Unlike other Dometic foot-
pedal toilets,
sembly – Unlike other Dometic foot-
pedal toilets,
the bowl and base of
310 and 320 series toilets should
not be separated for any reason.
not be separated for any reason.
Each Dometic toilet is 100% factory-tested to assure a watertight seal in the toilet bowl before
it is shipped.
After installation at the RV or other vehicle factory, the entire toilet and waste tank system is flood-
tested for leaks by filling the system with water to the rim of the toilet bowl. This process requires
holding the flush ball open with a device which may temporarily distort the ball seal from its original
shape and, as a result, cause the seal to leak water into the waste tank during normal use. The ball
seal may need to be reconditioned to its original shape.
IF NEW TOILET DOES NOT HOLD WATER IN BOWL…
Please follow the procedures below before attempting to replace the seal.
it is shipped.
After installation at the RV or other vehicle factory, the entire toilet and waste tank system is flood-
tested for leaks by filling the system with water to the rim of the toilet bowl. This process requires
holding the flush ball open with a device which may temporarily distort the ball seal from its original
shape and, as a result, cause the seal to leak water into the waste tank during normal use. The ball
seal may need to be reconditioned to its original shape.
IF NEW TOILET DOES NOT HOLD WATER IN BOWL…
Please follow the procedures below before attempting to replace the seal.
1. Hold flush ball in full open position by pressing on
pedal.
2. Using finger, apply moderate downward pressure
around edge of ball seal.
3. Close flush ball.
4. Keeping flush ball closed, pour one quart of
4. Keeping flush ball closed, pour one quart of
hot tap water into toilet bowl.
5. Let water cool completely.
6. Check for leak.
6. Check for leak.
If leak still persists, flush ball seal should be
replaced. Follow instructions provided with
replacement seal kit.
replaced. Follow instructions provided with
replacement seal kit.