Gulper® Grouper Mk 3
Fishbox Discharge Pump with 90° Ports
1. Specications
2. To The User
3. To The Installer
Thank you for purchasing this Whale® product. For over 60 years, Whale has led the way in the design and
manufacture of freshwater and waste systems including: pumps, plumbing faucets, showers for low voltage
applications. The company and its products have built a reputation for quality, reliability and innovation backed up by
excellent customer service. For more information visit www.whalepumps.com
Read the following carefully before installation.
WARNING: Please note that incorrect installation may invalidate the warranty.
Check that the product is suitable for the intended application, follow these installation instructions and ensure all
relevant personnel read the points listed below. Also ensure that these operating instructions are passed on to the end
user.
Model Gulper Grouper Mk 3 with 90° Ports
Product Code BP4772 BP4774
Voltage 12 V d.c. 24 V d.c.
Flow Rate Per Minute 18 ltrs (4.75 US gals)
Recommended Fuse Size 10 amp Automotive 5 amp Automotive
Minimum Wire Size 1.5mm² (16 AWG)
Weight 1.6kg (3.5 lbs)
Hose Connections 25mm (1”) or 38mm (1½”)
Materials
Pump Body: Aluminium, Glass-lled Nylon, Diaphragm: Santoprene® Clamp Ring: Acetal,
Valves: Nitrile®, Feet: EPDM Gearwheel: Bronze, Fasteners: Stainless Steel, Brass
Maximum Suction Lift 1 m (3.3 ft)
Max Discharge Head 2 m (6.5 ft)
Max Discharge Head and
Suction Lift (Combined)
3 m (10 ft)
Dry Running Current 4 amps 2 amps
4. Application
The Gulper® Grouper diaphragm pump has been designed to pump water and small solids from a sh box overboard
or to a holding tank. If it is intended for use for any other purpose or with any other liquid, it is the user’s responsibility
to ensure that the pump is suitable for the intended use and, in particular, that the materials are fully compatible with
the liquids to be used.
5. Warnings
1. This pump must not be mounted below the water line when connected to an intake or outlet
unless the system has a vented loop.
2. Not suitable for pumping ammable liquids, diesel, chemicals etc.
3. With all applications, it is important that a system of safe working practice is applied to
installation, use and maintenance. Electric supply must be turned off and waste water system
is drained prior to installation.
4. In order to securely fasten the unit, ensure that the mounting surface is a minimum thickness of 19mm (3/4”)
(when tted with the screws supplied).
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