Option 2: Toilet above the waterline, and discharging over-
board. (See Figure 2).
YOU MAY fit a 38mm (1-1/2") Vented Loop fitting, Jabsco part
number 29015-0010.
• Run the outlet hose up from the discharge elbow to form a
loop at least 30cm (12") higher than the discharge elbow.
• If you fit a vented loop at the top of the hose loop this will
ensure that you can keep some water in the base of the toilet
without risk of it being siphoned away.
Option 3: Toilet waste discharging into holding tank, top of
holding tank is above discharge elbow at anytime.
(See Figure 3).
YOU MUST fit a 38mm (1-1/2") Vented loop fitting, Jabsco part
number 29015-0010.
• If there is ANY possibility that the discharge elbow may be be-
low the top of the tank at ANY time, a ventilated anti-syphon
loop must be fitted in the outlet pipework
• Arrange the outlet hose to form a loop which is at least 20 cm
(8") above the highest possible level that the tank may reach,
and fit the Vented Loop at that highest point.
Option 4: Toilet waste discharging into holding tank, discharge
elbow always above top of holding tank.
(See Figure 3).
• Run the outlet hose up from the discharge elbow to form a
loop at least 30cm (12") higher than the discharge elbow.
• This will create a water seal at the Joker Valve that will prevent
bad odours from escaping through the toilet.
YOU MUST fit a 38mm (1-1/2") Vented loop fitting, Jabsco part
number 29015-0010.
• If you fit a vented loop at the top of the hose loop this will
ensure that you can keep some water in the base of the toilet
without risk of it being siphoned away.
Figure 3.
38 mm (1-1/2")
VENTED LOOP
TOP OF HOLDING TANK
ABOVE DISCHARGE
ELBOW AT ANY TIME
DISCHARGE
ELBOW
Testing
Refer to the Operating Instructions and follow the procedure.
• If the flushing pump is hard to prime half fill the bowl with
fresh water.
Safety
Ensure that this INSTRUCTION MANUAL reaches the owner, skipper
or operator of the craft as it contains essential safety information.
ON COMPLETION OF INSTALLATION:
• SHUT THE FLUSH CONTROL
• CLOSE BOTH SEACOCKS
Operating Instructions
The toilet is one of the most used pieces of equipment on your
boat. Correct operation of the toilet is essential for the safety
and comfort of your crew and craft.
1. First use
After periods without use the toilet may benefit from lubrication.
• Open inlet and outlet seacocks (and secondary valves if fitted).
• Half fill the bowl with warm fresh water.
• Keeping the Flush Control Lever (key 23) in the Shut
position, pump out the warm water.
HOLDING TANK VENT PIPES
OPTION 3
OPTIONAL: 38 mm (1-1/2")
OPTION 3
TOP OF HOLDING TANK
ABOVE DISCHARGE
ELBOW AT ANY TIME
5
AT LEAST
20 cm (8")
VENTED LOOP
AT LEAST
30 cm (12")