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wiring to run from the power source and to both the toilet
discharge pump and PAR-MAX rinse water pump.
Because all plumbing and wiring connections at the 
toilet are made internally within the china bowl, all
plumbing and wiring must be completed and extended to
the toilet location prior to final installation of the toilet.

Install the toilet seat and lid assembly on the china bowl
with the fasteners provided and position the toilet in its
desired location. When locating the toilet, ensure there is
adequate clearance above the bowl so the seat and lid
assembly can rotate to its fully open position and remain
open on its own. Once the exact position has been
determined, mark the location of the two toilet mounting
holes on the toilet mounting surface and move the toilet
temporarily out of the way. When securing the toilet to a
plywood underlayment below a layer of fiberglass, to
avoid cracking the fiberglass, drill a 5/16

"

(8 mm) hole

through just the fiberglass layer to provide clearance for
the screw threads and shank. Drill a 3/16

"

(5 mm) pilot

hole to accept the threaded portion of the toilet hold down
screw set provided. It is generally best to wait until the toi-
let is ready to be installed for the final time before screwing
the hold down screws into the mounting surface.

The PAR-MAX pump should be mounted to a solid
mounting surface. It should be secured with four fasten-
ers through the rubber grommets that snap into the
pump’s base. Do not over-tighten the mounting screws
and crush the grommets such that they will not absorb
vibration. The pump may be mounted in any position;
however, if mounting it to a vertical surface it should be
oriented so water dripping from a loose port connection
will not drip down on the motor. Plumbing runs should be
kept as short and straight as possible. All plumbing
should be completed with quality 3/4

"

(19 mm) hose that

will not collapse or kink. Route the inlet hose from a 
3/4" (19 mm) through hull and seacock fitting located well
below the waterline (and well forward of any discharge
through hulls, if installed) to the pump inlet port. Ensure the
inlet hose passes through an accessible location (prefer-
ably above the vessel’s water-line) that will allow for the
installation of the Toilet Pumpgard strainer where it can be
periodically inspected and cleaned of debris. The
Pumpgard strainer should be secured with two fasteners to
a solid mounting surface with the flow arrow pointing
towards the pump. The inlet hose should be cut and each
end attached to the strainer’s ports. Connect the hose from
the discharge port of the strainer to the PAR-MAX pump’s
inlet port. Connect another length of hose from the pump’s
discharge port to the area at the back of the Designer
Styled Toilet with adequate length to connect with the 
3/4

"

(19 mm) hose barb at the back of the china bowl.

If the toilet is installed below the vessel’s waterline, in order
to prevent a siphon action from filling the toilet, a properly

positioned vented loop fitting must be installed between
the PAR-MAX pump and the back of the toilet bowl. The
vented loop fitting must be secured in a location that
remains at least 6-8 inches (15-20 cm) above the waterline
at all angles of heel and trim (see diagram). 

The toilet discharge port is sized for 1

"

(25 mm) hose. The

discharge hose should be a quality grade reinforced hose
suitable for waste applications. Route the discharge hose
to the holding tank in the most direct way with as few
bends as possible. To retain some water in the bowl, it is
best to loop the discharge hose up about 8 -10 inches 
(15-20 cm) as close to the toilet as practical then on to the
holding tank. Providing adequate length of hose to include
such a loop also will provide the ability to move the toilet
out away from the bulkhead it butts against to complete 
the hose connections. It is best to avoid any dips or low
spots in the discharge plumbing that can act as water traps
and collect waste. If this occurs, waste can solidify and
cause a discharge blockage.

Flood hazard.   If toilet is installed below the 
waterline or may be below the waterline at any 
angle of heel or trim, it must be installed with 
properly positioned vented loops.  Failure to do 
so can result in flooding which can cause loss 
of property and life.

WARNING

!

Flood hazard.   If toilet is installed below the 
waterline or may be below the waterline at any 
angle of heel or trim, it must be installed with 
properly positioned vented loops.  Failure to do 
so can result in flooding which can cause loss 
of property and life.

WARNING

!

Waterline

Vented Loop

Heeled Waterline

Waterline

Vented Loop

Heeled Waterline

2

43000-0665  10/11/02  5:56 PM  Page 2

Summary of Contents for JABSCO 37275 Series

Page 1: ...wl water level can be easily raised or lowered by the user This provides a method of minimizing water use when desired as well as a means of raising the water level in the bowl when appropriate for user comfort It also allows for complete evacuation of the bowl water while underway in rough sea conditions Model 37275 Series Model Number Description 37275 0092 Compact White Toilet 14 12 Volt EMC 37...

Page 2: ...lation of the Toilet Pumpgard strainer where it can be periodically inspected and cleaned of debris The Pumpgard strainer should be secured with two fasteners to a solid mounting surface with the flow arrow pointing towards the pump The inlet hose should be cut and each end attached to the strainer s ports Connect the hose from the discharge port of the strainer to the PAR MAX pump s inlet port Co...

Page 3: ...ring should be independent of all other accessories It should be made with marine grade copper stranded wire of the gauge specified in the electrical specifications chart Make all wire connections with mechanical locking type connectors crimp type butt connectors and terminals Ensure the circuit is protected by a proper sized fuse or circuit breaker deter mined from the electrical specifications c...

Page 4: ...e the two screws that secure the seal housing to the motor and slide the housing off the motor shaft Remove the two seal washers from under the head of each of the two seal housing retainer screws With a pair of needle nose pliers grasp the shaft seal and pull it from the seal housing Clean all parts and inspect for damage Lubricate the OD of the new seal with a small amount of water and press it ...

Page 5: ...ischarge Port 1 37077 1000 10 Screw 3 96050 0568 11 Chopper Plate with Lock Nut 1 37056 1000 12 Macerator Housing 1 37014 0000 13 Centrifugal Impeller 1 37006 0000 14 Set Screw 1 18753 0492 15 O ring 1 43990 0066 Qty Part Key Description Req Number 16 Seal 1 1040 0000 17 Screw 2 91010 0144 18 Washer Plastic 2 35445 0000 19 Seal Housing 1 37043 1000 20 Lock Washer 10 Stainless Steel 4 21 Screw 4 91...

Page 6: ...of flow entirely If the valves do not seat smoothly against the valve cage the valve cage assembly should be replaced If the pump has been leaking the diaphragm must be replaced Remove the four phillips head diaphragm retainer screws and mushroom shaped diaphragm retainer caps Remove the diaphragm and diaphragm housing from the motor and wobble plate housing Inspect the wobble plate bearing to mak...

Page 7: ...s set forth herein and applies only for the period designated above 2 ITT SHALL NOT BE LIABLE FOR ANY LOSS DAMAGE SPE CIAL OR CONSEQUENTIAL DAMAGE OF ANY KIND WHETHER BASED UPON WARRANTY CONTRACT NEGLI GENCE OR STRICT LIABILITY ARISING IN CONNECTION WITH THE SALE USE OR REPAIR OF THE PRODUCT 3 THE MAXIMUM LIABILITY OF ITT IN CONNECTION WITH THIS WARRANTY SHALL NOT IN ANY CASE EXCEED THE CONTRACT P...

Page 8: ...o GmbH Oststrasse 28 22840 Norderstedt Tel 49 40 53 53 73 0 Fax 49 40 53 53 73 11 Copyright 2002 ITT Industries Printed in U S A All Rights Reserved Form 43000 0665 Rev 10 2002 THE PRODUCTS DESCRIBED HEREIN ARE SUBJECT TO THE JABSCO ONE YEAR LIMITED WARRANTY WHICH IS AVAILABLE FOR YOUR INSPECTION UPON REQUEST 2 5 16 59 1 3 4 44 4 1 16 103 3 7 8 99 3 1 2 89 1 3 4 44 4 1 8 105 6 152 8 203 3 3 4 95 5...

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