Gulper® Grouper
Fishbox Discharge Pump
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 1
with bronze gearwheel
Gulper Grouper Mk 2
with plastic gearwheel
Product Code BP4572 BP4574 BP4672 BP4674
Voltage 12 V d.c. 24 V d.c. 12 V d.c. 24 V d.c.
Flow Rate Per Minute 25.5 ltrs (6.75 US gals) 18 ltrs (4.75 US gals)
Recommended Fuse Size 10 amp Automotive 5 amp Automotive 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
Pump Body: Aluminium, Glass-lled
Nylon, Diaphragm: Santoprene®
Clamp Ring: Acetal Valves: Nitrile®,
Feet: EPDM Gearwheel: Delrin,
Fasteners: Stainless Steel, Brass
Maximum Suction Lift 0.5 m (1.7 ft) 1m (3.3 ft)
Max Discharge Head 3 m (10 ft) 2m (6.6 ft)
Max Suction Lift and
Discharge Head (Combined)
3 m (10 ft) 3m (10 ft)
Dry Running Current 5 amps 2.5 amps 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.
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.
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