Xylem JABSCO 29015-0010 User manual

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29015-0010 38 mm (1½")
29015-0020 25 mm (1")
29015-0000 19 mm (¾")
29015-1000 Replacement Valve
NOTE: This data is only applicable to Jabsco
Marine Toilets - For all other makes of marine toilet
and for all other applications and all other types of
product, please refer to the instructions supplied
with the product concerned.
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Water flows downhill whenever it can. It will do so
even if it has to rise at first, provided its final level
is lower than its initial level and there is no air in
the connecting pipework. A system in which water
rises and then falls as it flows of its own accord
under gravity is called a siphon.
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Manual and electric marine toilets flushed with sea
or river water require connections through the hull
below water level. If the toilet is installed below the
boat's waterline, the possibility of flooding the hull
through an open seacock must be prevented, not
only for the discharge pipe, but also for the inlet
pipe.
If no precautions are taken, a toilet below the
waterline is at risk of flooding at all times when the
discharge or inlet seacock is open (A).
A loop of pipe above water level (B) may prevent
flooding, but there remains a risk that a siphon will
be created by pumping the toilet, or when the boat
heels, or by wave action.
1½"
1"
¾"
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WATERLINE
WATERLINE
LOOP

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To break the siphon, air must be let into the top of
the loop of pipe, allowing water to drop back on
both sides of the loop, and stopping it from flowing
into the hull.
A Vented Loop (C) is fitted with a one-way valve at
the top, permitting water to be pumped through the
loop and out of the hull, but preventing the
formation of a siphon that would allow water to flow
back into the hull.
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WASTE DISCHARGE from
TOILETS (all models) or
HOLDING TANKS
IN UNRESTRICTED
WATERS ONLY
WATERLINE
VENTED LOOP ONE-WAY
VALVE
AT LEAST 200 mm
(8") ABOVE STATIC
AND HEELED
WATERLINES
WATERLINE
VENTED
LOOP
HEELED
STATIC
DISCHARGE
SEACOCK
PUMPED WASTE FROM
TOILET OR WASTE
HOLDING TANK

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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

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...continued from page 3
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SEAWATER or RIVER WATER INLET to ELECTRIC
TOILET Lite Flush and
37010-series only
AT LEAST 200mm (8")
ABOVE STATIC AND HEELED
WATERLINES
SOLENOID
VALVE
PUSH BUTTON
SWITCH TO OPERATE
TOILET PUMP
INLET
SEACOCK
HEELED
WATERLINE
STATIC
AT LEAST 200mm (8")
ABOVE STATIC AND HEELED
WATERLINES
HEELED
WATERLINE
STATIC
INLET
SEACOCK
VENTED
LOOP
VENTED
LOOP
FLUSH WATER
TO TOILET
TOILET FLUSH
PUMP ABOVE
WATERLINE
Form: 43000-0768-GB Rev. 01/2009
USA
ITT Corporation
Cape Ann Industrial Park
Gloucester, MA 01930
Tel: [phone]
Fax: [phone]
UK
ITT Industries
Bingley Road, Hoddesdon
Hertfordshire EN11 0BU
Tel: [phone]
Fax: [phone]
JAPAN
NHK Jabsco Company Ltd.
3-21-10, Shin-Yokohama
Kohoku-Ku, Yokohama, 222-0033
Tel: [phone]
Fax: [phone]
ITALY
Jabsco Marine Italia
Via Tommaseo, 6
20059 Vimercate, Milano
Tel: [phone]
Fax: [phone]
GERMANY
Jabsco GmbH
Oststrasse 28
22844 Norderstedt
Tel: [phone]
Fax: [phone]
Warranty: All products of the company are sold, and all services of the company are offered subject to the company’s warranty and terms of sale, copies of which will be furnished upon request.
Details correct at time of printing. We reserve the right to change specifications without prior notice.
© Copyright 2009 ITT Industries, Registered England No. 81415, registered office: Jays Close Viables Estate, Basingstoke, Hants, RG22 4BA
www.jabsco.com
© 2012 Xylem, Inc. All rights reserved. JABSCO is a registered trademark of Xylem Inc. or one of its subsidiaries.
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