3
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This product is designed solely for use
with Jabsco Vented Loop. Do not over-
tighten cap as this may damage the
valve and cause a leak.
Do NOT fit a vented loop into the inlet pipework of
a pump, where it will admit air (as it is designed to)
and impede or prevent priming.
Trouble-shooting tip: if the anti-siphon loop makes
a hissing noise when the pump is running, and the
clean water flush pump won't prime, the vented
loop has been fitted in the pump's suction line
instead of its discharge line.
Remedy:
In a manual toilet system, remove the vented loop
from the inlet line and fit it in the discharge line
between pump and toilet bowl.
In an electric system, where the inlet line requires
a vented loop, a solenoid valve must also be
fitted.
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In the Lite Flush and the 37010 series electric
toilet installations where the clean water inlet line
has to be protected by an anti-siphon loop, the
vent in the top of the loop needs to be kept closed
under suction, so that the pump can prime and
run.
Fit an electrically operated solenoid air valve
(37068-2000) in the top of the vented loop. The
solenoid will close the air valve only when the
pump is running, allowing the valve to perform its
normal siphon-breaking function at other times.
Continued on page 4...
X
SEAWATER OR RIVER
WATER INLET to
MANUAL TOILET
AT LEAST
200mm (8")
ABOVE STATIC
AND HEELED
WATERLINES
VENTED LOOP
FITTED IN PIPE
BETWEEN PUMP AND
TOILET BOWL
MANUAL PUMP
ON TOILET
MANUAL PUMP
ON TOILET
INLET
SEACOCK
INLET
SEACOCK
HEELED
WATERLINE
STATIC
DO NOT FIT VENTED LOOP
IN SUCTION PIPE BETWEEN
SEACOCK AND PUMP
29015-0000
Vented Loop
19mm (¾")
37068-2000
Solenoid Air Valve
