Whale Marine Pumps are designed for freshwater supply, shower drainage, bilge pumping, and general water systems on boats, caravans, motorhomes, and other mobile applications. The range includes electric and manual bilge pumps, pump kits, switches, non-return valves, and related accessories that help provide reliable water movement and drainage. Developed through extensive experience and innovation, these products support boating enthusiasts with efficient, high-quality solutions for freshwater, bilge, and heating systems.
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1-2 weeks delivery time The Whale Compac 50 BP0350 manual bilge pump is a low-profile underdeck hand pump for bilge water or diesel transfer in restricted spaces. It has a 120 mm installation depth, a maximum output of 40 L/min (with 32 L/min at 45 strokes/min and 35 L/min at 70 strokes/min), and inlet/outlet connections to suit 25 mm (1 inch) ID hose with 360° rotating connectors. It includes a deck plate and handle, uses corrosion-resistant materials, supports up to 3 m suction lift and 4 m maximum recommended discharge head, and is rated suitable as a primary bilge pump on boats ≥12 m per ISO15083 with a 5-year warranty.
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$ 136.28
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1-2 weeks delivery time The Whale Mk5 universal manual bilge pumping unit (BP0510) is a hand-operated pump designed for service mount, under-deck, or partition/bulkhead installation. It provides up to 66 L/min at 70 strokes per minute (approx. 42 litres at 45 strokes per minute), with 38 mm (1-1/2 inch) inlet/outlet hose connections, a removable inspection lid/port for cleaning, and a 360° rotatable pump head. It conforms to ISO 15083 and is USCG approved, includes a stainless steel handle with lanyard, and is supplied with a 5-year warranty; listed weight is 1.36 kg (shipping weight 2.20 kg).
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$ 185.76
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1-2 weeks delivery time The Whale BP0527 Mk5 manual membrane sanitation pump is designed for toilet applications and bulkhead mounting. It provides up to 66 L/min capacity (66 L at 70 strokes per minute; approx. 42 litres at 45 strokes per minute) and uses 38 mm (1-1/2 inch) inlet/outlet hose connections. The unit features a tough plastic housing with odor-free gaskets, a tool-free removable inspection port, a 360° rotatable pump head (in 1/8 steps), corrosion-resistant materials, and a stainless steel handle with lanyard; it conforms to ISO15083 and includes a 5-year warranty.
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$ 189.02
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1-2 weeks delivery time The Whale BP0535 Mk5 manual sanitation membrane pump is designed for marine toilet systems and through-deck installation. It has a tough plastic housing with odor-free gaskets, a maximum capacity of 66 L at 70 strokes per minute (approx. 42 litres at 45 strokes per minute), and 38 mm (1-1/2 inch) inlet/outlet hose connections. The pump head rotates 360° (in 1/8 steps), includes a stainless steel handle with lanyard, supports a maximum suction lift of 4.5 m and maximum discharge head of 4.5 m, conforms to ISO15083, and includes a 5-year warranty; listed weights are 1.36 kg and shipping weight 2.10 kg.
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$ 228.85
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1-2 weeks delivery time The Whale Gulper 220 grey waste pump is a 12V DC self-priming diaphragm unit for shower and wastewater that can pump a mixture of air and water and does not require a filter. It delivers 13.4–14 L/min output, draws 2.4A, and connects to 19 mm (3/4 inch) hose. The pump supports 360-degree rotation and horizontal or vertical installation, is self-priming up to 3 m with a maximum combined head and lift of 4 m, and is supplied with a 5A fuse requirement and minimum 1.5 mm² (16 AWG) wiring guidance. It is CE marked, IP45 rated, conforms to ISO8849/ISO15083/ISO10133/ISO8846, replaces Flojet 509430 and 509432, and includes a 2-year warranty.
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$ 302.67
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1-2 weeks delivery time The Whale BP1554 Gulper 220 24V grey wastewater pump is a self-priming diaphragm unit for shower and general wastewater that can pump a mixture of air and water and run dry without damage. It is specified at 13.4–14 LPM flow and uses a 19 mm (3/4 inch) ID hose connection, with a 360° rotating head for flexible horizontal or vertical installation and no filter requirement. Listed electrical data includes 24V DC operation with 1.2A or 1.75A current, a 2.5A recommended fuse, minimum 1.5 mm² (16 AWG) wire size, IP45 rating, CE marking, ISO conformity, and a 2-year warranty.
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$ 301.28
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1-2 weeks delivery time The Whale BP1935 Easybailer manual hand pump is a lightweight, handheld unit for evacuating bilge water or transferring diesel on small boats. It uses a flexible 25 mm (1 inch) hose connection (also listed as 25 mm inlet/outlet), delivers 19 litres at 45 strokes per minute (31.4 litres at 70 strokes per minute), and conforms to ISO15083. Listed dimensions include 50 mm width, 483 mm barrel length, and 793 mm extended length; shipping weight is 0.90 kg, and warranty is 5 years.
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$ 58.67
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1-2 weeks delivery time The Whale BP1955 Easybailer manual hand pump is a long-barrel, handheld unit for evacuating bilge water or transferring diesel on boats, dinghies, and canoes. It is supplied ready to operate with a flexible 25 mm (1 inch) hose (including a 1 m hose) and delivers 19 litres at 45 strokes per minute (31.4 litres at 70 strokes per minute), with a maximum pump head of 0 to 2.2 metres and a maximum suction lift of 1 metre; it conforms to ISO15083 and has a 5-year warranty.
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$ 65.72
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1-2 weeks delivery time The Whale Gulper 320 diaphragm bilge and waste water pump is a 12V DC unit rated for 19 L/min (4.16 GPM / 5 US GPM) with 19 mm (3/4 inch) or 25 mm (1 inch) internal diameter hose compatibility. It features a glass-filled nylon body, a 360° rotating head, self-priming up to 3 m, and dry-running capability, and it includes a strainer and strum box. Key installation and electrical data includes 10A fuse rating, minimum 1.5 mm² (16 AWG) wire size, overall dimensions 117 mm (H) x 280 mm (L) x 198 mm (W), base 156 mm x 110 mm, and a 3-year warranty.
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$ 306.36
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1-2 weeks delivery time The Whale Gulper 320 discharge pump (model BP2054) is a 24V DC waste and bilge pumping unit rated at 19 L/min (4.16 GPM / 5 US GPM). It is designed for quiet operation in tight spaces (bilges and showers) and features a 360° rotating head, a non-choke double outlet valve for continuous flow, and dry-run capability without damage. The pump supports 19 mm (3/4 inch) or 25 mm (1 inch) ID inlet/outlet hose sizes, is ignition protected to ISO8846, and is suitable as a bilge pump on vessels up to 12 metres (ISO15083).
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$ 332.21
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1-2 weeks delivery time The Whale Gulper IC grey wastewater pump is a 12V DC diaphragm unit with sensor-controlled, microprocessor-managed automatic operation for sinks and showers. It delivers up to 19 L/min and supports 19 mm to 25 mm (3/4 inch to 1 inch) ID hose connections, with a 360° rotating head, self-priming up to 3 m, and dry-run capability. The pump includes a 15-second run-on time delay, waterproof connectors, a manual activation override wire, and is specified with a 10A automotive fuse and up to 9A current draw.
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$ 403.10
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1-2 weeks delivery time The Whale Gulper IC grey waste diaphragm pump is a 24V DC unit with an integrated sensor/intelligent control for automatic operation when water is detected, with a 15-second run-on time to clear remaining water. It delivers up to 19 L/min and suits 19–25 mm (3/4 inch to 1 inch) hose installations, with a 360° rotating head, self-priming up to 3 m, and dry-run capability. Listed details include a glass-filled nylon pump head with Santoprene valves/diaphragm, maximum combined head and lift of 4 m, up to 4.5 A current draw, a 5 A automotive fuse rating, and dimensions of 117 mm (H) x 280 mm (L) x 198 mm (W).
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$ 404.32
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1-2 weeks delivery time The Whale Gulper BP2552B toilet waste pump is a 12V membrane pump rated for 18 L/min, designed for marine and RV toilet and holding tank duties. It handles macerated and non-macerated (unmacerated) waste, can run dry, and is self-priming up to 3 m while pumping a mixture of air and waste. The corrosion-resistant aluminum and glass-filled nylon housing and a 360° rotating pump head support flexible installation, with hose compatibility for 38 mm and compliance to ISO15083 and ISO10133.
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$ 512.21
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1-2 weeks delivery time The Whale BP2554B Gulper toilet waste water pump is a 24V DC diaphragm unit rated at 18 L/min for moving toilet and holding tank waste in marine systems. It supports 38mm (1-1/2 inch) hose connections and uses a corrosion-resistant aluminium and glass-filled nylon housing with a 360° rotatable pump head. The pump is self-priming up to 3 metres, can run dry, is filter-free to help reduce clogging, and is CE marked with ignition protection to ISO8846.
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$ 563.37
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1-2 weeks delivery time The Whale BP3000 Gusher 30 pump is a high-performance unit designed for deck assembly and sized for 38 mm hose. It provides a capacity of 117 L at 70 strokes per minute and is designed to continue operating even if one membrane breaks. This pump conforms to ISO15083 and ISO18813, is approved by Lloyds, is built from marine-grade aluminum, acetal, nylon, and stainless steel, and weighs 5.05 kg.
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$ 1,341.25
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1-2 weeks delivery time The Whale BP3010 high-capacity Gusher 30 bulkhead-mounted pump is rated for 117 liters at 70 strokes per minute and is designed for 38 mm hose. It is built from marine-grade aluminum, acetal, nylon, and stainless steel, weighs 5.05 kg, and is designed to continue operating even if a membrane breaks. The unit is Lloyds approved, conforms to ISO15083 and ISO18813, and includes a 5-year warranty.
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$ 1,341.25
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1-2 weeks delivery time The Whale BP3020 Gusher 30 manual bilge pump is a high-output, underdeck-mounted double-action pump with twin diaphragms for redundancy, designed for demanding marine environments. It delivers up to 117 LPM at 70 strokes per minute (75 LPM at 45 strokes per minute) and is specified with a maximum flow rate of 136 LPM, for 38 mm (1-1/2 inch) hose connections. The pump is rated for over 4.27 m maximum pump head, 4 m maximum recommended head, and 4 m maximum suction lift, with a removable handle, 5-year warranty, and approvals including Lloyds (MCA) and USCG.
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$ 1,634.34
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1-2 weeks delivery time The Whale BP3708 is a heavy-duty manual bilge pump (Gusher 10 Neo, standard mounting) designed for tough marine use on workboats, offshore racers, and large vessels. It delivers up to 65 L/min (65 L at 70 strokes per minute; approx. 41 L at 45 strokes per minute) and connects to 38 mm (1-1/2 inch) inlet and outlet hoses. The pump supports below-deck or on-deck/bulkhead installation, conforms to ISO15083, and is built from anodized aluminum with epoxy coating plus aluminum, acetal, neoprene, and stainless steel components; pump weight is 2.3 kg.
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$ 575.35
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1-2 weeks delivery time The Whale BP3740 Gusher 10 Neo manual bilge pump is a heavy-duty, thru-deck / thru-bulkhead unit designed for below-deck or on-deck installation on large vessels. It provides up to 65 L/min (65 L at 70 strokes per minute) with an inlet/outlet for 38 mm (1-1/2 inch) ID hose, and delivers approximately 41 litres at 45 strokes per minute. Built from corrosion-resistant materials including anodized aluminum with epoxy coating (aluminum, acetal, neoprene, and stainless steel), it features a maximum suction lift of 4 m and maximum discharge head of 4 m, includes a stainless steel handle with lanyard, conforms to ISO15083, and carries a 5-year warranty.
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$ 575.35
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1-2 weeks delivery time The Whale Gusher Titan manual bilge pump is an on-deck hand-operated pump for transferring grey waste and bilge water. It delivers up to 105 L/min (stated at 70 strokes per minute) and is designed for 38 mm (1-1/2 inch) inlet and outlet hoses, with a maximum suction lift of 4 m and a maximum discharge head of 4 m. The unit features corrosion-resistant, frost-resistant construction with a polypropylene body and neoprene membrane, plus easy-access housing, a 360° rotatable pump head, and a removable/stainless steel handle with lanyard.
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$ 157.92
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How does a Whale Marine manual bilge pump help remove water from a boat’s bilge system?
A manual bilge pump removes unwanted water from a boat’s bilge system through hand-operated pumping, helping keep the vessel safe and dry when electrical power is unavailable. It serves as a reliable source of emergency dewatering and remains a standard piece of equipment for many boating enthusiasts and professional operators.
Known for their quality and practical design, manual bilge pumps complement pumps and water management systems used throughout the marine industry. They are a popular choice for any boater seeking dependable performance in a wide range of operating conditions.
What is the purpose of a shower waste pump in marine water systems and how does it support onboard drainage?
A shower waste pump removes grey water from shower trays and directs it to the appropriate drainage system, helping keep onboard spaces clean and dry. These electric systems are designed for efficient water handling in marine environments, providing a portable and innovative solution for modern aqua and drainage applications.
Built on years of engineering expertise, shower waste pumps support reliable operation across a wide range of vessels and are considered a standard component of many marine water systems. Their role in effective drainage makes them an important part of onboard water management.