Johnson Pump, part of SPX Flow, specializes in a wide range of pump technologies designed for various liquid handling applications. Their centrifugal pumps are ideal for moving liquids in different sectors, offering efficient fluid circulation and transfer. Internal gear pumps are a cornerstone for handling viscous liquids with precision, making them perfect for industrial processes. Positive displacement pumps from Johnson Pump provide reliable performance with consistent flow, ensuring optimal suction capabilities. Known for their interchangeability and global market presence, Johnson Pump solutions are essential for applications requiring dependable and efficient liquid movement.
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1-2 weeks delivery time The Johnson Pump 80-47420-01 AirV 4-550 flex-mount radial blower delivers heavy-duty 12V ventilation for engine rooms, bilges, galleys, cabins, and other enclosed spaces. With a double ball bearing motor and ignition-protected design, it supports safe air intake or extraction before starting, while the reinforced nylon housing and stainless steel shaft and fasteners help resist corrosion in marine environments. It is rated at 550 m³/h capacity and 11.5 A current draw, with compact dimensions and duct connection sizes provided for flexible installation.
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$ 250.45
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1-2 weeks delivery time The Johnson Pump AirV 80-47420-02 heavy-duty radial blower delivers continuous-duty ventilation for pre-start engine compartment use and for air intake or extraction in bilges, galleys, accommodation spaces, and other compartments. It runs on 24V power (7A) and provides 550 m³/h airflow, using a flex-mount flat-base design with multiple mounting holes for adaptable installation. Built for marine conditions with an ignition-protected double ball-bearing motor and a stainless steel shaft, it is specified for metric hoses with inlet/outlet sizes listed as 110 mm and 103 mm, and also shown as 100 mm and 110 mm in additional product data.
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$ 257.22
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1-2 weeks delivery time The Johnson Pump 80-47421-01 AirV 4-750 radial blower delivers heavy-duty engine compartment ventilation before starting and supports air intake or extraction in spaces such as bilges, cabins, compartments, galleys, and accommodation areas. Its 12V power supply (19A) drives a double ball-bearing motor for reliable performance, while the AirV 4 housing uses ABS reinforced with nylon and fiberglass for durability in marine environments. Flex foot mounting plus flange and hose mounting simplifies installation with flex hoses, and the unit is rated at 750 m³/h with ignition protection for added safety.
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$ 350.30
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1-2 weeks delivery time The Johnson Pump 80-47421-02 radial ventilation blower (AirV 4-750, flex mount) delivers heavy-duty air intake or extraction for engine rooms, bilges, galleys, cabins, and other onboard spaces. Its 24V power supply with 11A draw supports a rated capacity of 750 m³/h, while ignition protection enhances operational safety. A flange and hose mounting design, flexible mounting option, and double ball bearing motor improve durability, complemented by a nylon (glass fiber reinforced) housing and stainless steel shaft and screws.
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$ 350.30
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1-2 weeks delivery time The Johnson Pump 80-47422-02 Air V 4-1000 flex-mount radial blower supports engine compartment ventilation before starting and is built for heavy-duty ventilating or de-ventilating bilges, compartments, cabins, and other marine spaces. Its flange and hose-mount design, double ball-bearing motor, anti-shock ABS housing, and stainless steel shaft and bolts help deliver durable performance in marine environments. With 24V operation, 1000 m³/h capacity, Ø150 mm inlet and Ø110 mm outlet, and compact dimensions (listed as 290 x 257 x 180 mm), it also keeps installation and shipping convenient at 0.40 kg.
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$ 629.31
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1-2 weeks delivery time The Johnson Pump AquaH 56-47455-01 water heater is a 22-liter marine hot water unit built from AISI 316 stainless steel and designed for dual heating from 230V AC electricity or a secondary heat source such as an engine or generator cooling circuit. Its 1200W Incoloy electric element helps ensure hot water availability even when the engine is not running, and the included safety thermostat allows adjustable temperature control during electrical operation. The round stainless steel model is listed with a 10 kg weight and is seaworthy for demanding onboard use.
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$ 923.84
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1-2 weeks delivery time The Johnson Pump 56-47455-03 AquaH water-heating unit delivers a 22-liter hot water supply in a round AISI 316 stainless steel tank, combining 230V AC electric heating (500W Incoloy element) with a secondary heat source such as an engine or generator cooling circuit. A built-in safety thermostat helps control water temperature during electrical operation, while the compact form and listed dimensions support straightforward integration into smaller onboard systems.
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$ 923.84
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1-2 weeks delivery time The Johnson Pump AquaH 56-47456-01 water-heater unit delivers dependable hot water onboard with a 30-liter capacity and 1200W electric heating on 230V AC. Built from AISI 316 stainless steel and designed as a round model, it supports dual heating via electricity or a secondary heat source such as an engine or generator cooling circuit. An Incoloy electric heating element and an included safety thermostat help maintain efficient, controlled water temperature even when the engine is not running.
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$ 1,033.92
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1-2 weeks delivery time The Johnson Pump AquaH 56-47456-03 water-heating unit delivers 30 liters of hot water with a 500W electric element on 230V AC, while also supporting heating from a secondary source such as an engine or generator cooling circuit. Built from AISI 316 stainless steel with a durable Incoloy heating element, it is designed for reliable onboard service and includes a safety thermostat for setting water temperature during electrical operation. The round stainless steel model is listed with a 11.5 kg weight and a 9.80 kg shipping weight.
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$ 1,033.92
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1-2 weeks delivery time The Johnson Pump AquaH 56-47457-01 water heating unit delivers 45 liters of hot water using dual-source heating (electric plus a secondary heat source such as an engine or generator cooling circuit). Its AISI 316 stainless steel construction is built for marine use, while 230V AC / 1200W electric heating with Incoloy elements provides hot water even when the engine is not running. A safety thermostat is included to set and control water temperature during electrical operation.
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$ 1,156.33
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1-2 weeks delivery time The Johnson Pump AquaH 56-47457-03 water heater is a round stainless steel marine hot-water unit built from AISI 316 stainless steel and rated for 230V operation with a 500W electric element. It supports dual heating by combining electric heating with an auxiliary heat source such as the engine cooling circuit or a generator set cooling circuit, helping maintain hot water availability when 230V AC power is accessible. A safety thermostat is included for convenient temperature adjustment during electrical operation, and the tank capacity is 45 liters with a listed weight of 15 kg.
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$ 1,156.33
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1-2 weeks delivery time The Johnson Pump 56-47458-01 AquaH water heater unit delivers a 60-liter hot water supply using dual heating from 230V AC electric power (1200W) or an auxiliary heat source such as an engine or generator cooling circuit. AISI 316 stainless steel construction supports marine durability, while the included safety thermostat helps control water temperature during electrical operation. The round stainless steel model is specified with EAN 8719182077985 and a listed weight of 17.3 kg.
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$ 1,229.71
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1-2 weeks delivery time The Johnson Pump AquaH 56-47458-03 water heater delivers dual-source hot water onboard by combining a 500W electric heating element with the option to use a secondary heat source such as an engine or generator cooling circuit. Built from AISI 316 stainless steel and supplied with a safety thermostat for temperature control, this round 60-liter unit is designed to maintain hot water availability whenever a 230V AC supply is accessible.
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$ 1,229.71
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1-2 weeks delivery time The SPX Johnson Pump AquaH 80-liter marine water-heating unit (article number 66564745901) delivers continuous onboard hot water using dual heating: an electric element and a secondary heat source such as the engine or generator cooling circuit. Built in AISI 316 stainless steel in a round model design, it runs on 230V AC with 1200W nominal power and includes a safety thermostat for adjustable temperature control during electric operation. EAN 8719182077985; listed weight 20 kg and shipping weight 9.80 kg.
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$ 1,333.74
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1-2 weeks delivery time The Johnson Pump 56-47459-03 AquaH water-heater unit delivers an 80-liter hot-water supply using dual heating: 230V electric power (500W) or a secondary heat source such as an engine or generator set cooling circuit. Built from AISI 316 stainless steel with an Incoloy heating element, it is designed for marine use and includes a safety thermostat for temperature control during electrical operation.
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$ 1,333.74
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1-2 weeks delivery time The Johnson Pump 03-24725-8 Ultima bilge pumping unit with float switch delivers compact, efficient dewatering performance for smaller bilge tasks. It is rated at 600 GPH with 12V operation at 2.5A and supports a 3/4 in (19 mm) hose connection. At 13.6V, it provides 38 l/min straight flow and 32 l/min at 1 m head, with a specified 5A fuse and a lightweight 0.66 kg design for practical onboard installation.
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$ 133.12
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1-2 weeks delivery time The Johnson Pump 03-24725-9 Ultima bilge pumping unit with float switch delivers mid-range dewatering performance with an 800 GPH flow rating while operating on 12V at 3A. A 3/4 inch hose connection supports flexible installation, and the specified 5A fuse rating helps protect the electrical circuit. With a compact 142 x 82 x 105 mm footprint and 0.66 kg weight, it provides practical capacity options including 51 L/min straight and 38 L/min at 1 m head (both at 13.6V).
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$ 159.59
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1-2 weeks delivery time The Johnson Pump 03-24726-0 Ultima bilge pumping unit with integrated float switch delivers dependable bilge water removal with a 1000 GPH rating. It runs on 12V with 3.2A draw, uses a 3/4 inch hose connection for straightforward installation, and includes a 5A fuse specification for circuit protection. Performance figures include 64 l/min straight flow at 13.6V and 44 l/min at 1 m head at 13.6V, with compact dimensions of 142 x 82 x 105 mm and a lightweight 0.66 kg build.
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$ 179.12
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1-2 weeks delivery time The Johnson Pump 03-24726-1 Ultima bilge pump unit with float switch delivers high-flow bilge dewatering rated at 1250 GPH with 12V operation and 3A current draw. Built for higher-volume pumping applications, it supports larger hose connections of 1-1/8" and 1-1/4" and is specified at 79 l/min straight and 51 l/min at 1 m head (both at 13.6V). Compact dimensions of 142x82x105 mm, a 5A fuse requirement, and a 0.66 kg weight make it easy to integrate into onboard bilge systems.
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$ 198.66
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1-2 weeks delivery time The Johnson Pump Ultima electronic level switch (article number 663436303) uses digital technology with a non-contact Mirus field effect sensor to detect fluid levels without moving parts. Built for 12V/24V systems and harsh conditions, it helps reduce corrosion risk through fully sealed solid-state electronics and avoids false triggering with an 8-second delay. The switch activates at 50 mm (2 in) and deactivates at 20 mm (3/4 in), with maximum current rated up to 20 A.
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$ 79.05
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How does the design of Johnson Pump ensure reliability and efficiency in marine systems?
The design of Johnson Pump ensures reliability and efficiency in marine systems by incorporating robust materials and engineering tailored for harsh marine environments. Different pumps, including circulation pumps, are built to handle various marine applications efficiently, ensuring smooth operation and longevity. With a focus on durability and performance, Johnson Pump products are well-suited for many different marine systems, providing consistent and reliable functionality.