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Built on more than a decade of market leading pump technology. Unlike macerator pumps, Gulper valve technology means no filters, no clogging or motor burn out, just reliable waste management. Pumps out fishbox and baitwell waste without clogging.

Features
• You can depend on diaphragm pump technology : No impeller to clog or burn
• Non-choke valves- easily handle fishbox waste
• Easy to install – 360 degree head rotation and choice of 1” (25mm) or 1 ½” (38mm) hose connections
• Easy to maintain and clean
• Ideal replacement for macerator pumps
• Fast pump out – up to 18 ltrs (4.74 US gals) per minute
• Long term durability – runs dry without damage
• Save battery – Low power consumption

BLA CODE132018132019
DescriptionGulper® Grouper Mk 3 Fishbox Discharge Pump with 90° headGulper® Grouper Mk 3 Fishbox Discharge Pump with 90° head
General Specifications
Voltage12V24V
Recommended Fuse Size
Automotive
10 amp5 amp
Minimum Wire Size1.5 mm2
(16AWG)
1.5 mm2
(16AWG)
Weight1.6 kg (3.5lbs)1.6 kg (3.5lbs)
Hose Connections25 mm (1”) or 38 mm (1 ½”)25 mm (1”) or 38 mm (1 ½”)
MaterialsPump Body: Aluminium, Glass-filled Nylon
Clamp Ring: Acetal, Diaphragm: Santoprene®
Valves: Nitrile®, Feet: EPDM, Gearwheel: Delrin
Fasteners: Stainless Steel, Brass
Pump Body: Aluminium, Glass-filled Nylon
Clamp Ring: Acetal, Diaphragm: Santoprene®
Valves: Nitrile®, Feet: EPDM, Gearwheel: Delrin
Fasteners: Stainless Steel, Brass
Materials in Contact with FluidGlass-filled Nylon, Santoprene®, Stainless SteelGlass-filled Nylon, Santoprene®, Stainless Steel
Maximum Suction Lift1 m (3.3 ft)1 m (3.3 ft)
Maximum Discharge Head2 m (6.5 ft)2 m (6.5 ft)
Maximum Discharge Head and Suction Lift (combined)3 m (10 ft)3 m (10 ft)
Flow Rate per Minute18 ltrs (4.74 US gals)18 ltrs (4.74 US gals)
Dry Running Current4 amps2 amps
Performance Data
Suction Lift 00
Discharge Head1 m (3 ft)1 m (3 ft)
Flow Rate per Minute16 ltrs (4.22 US Gals)16 ltrs (4.22 US Gals)
Current Draw6 amp (12 V d.c.)3 amp (24 V d.c.)