Bilge pumps - Low Boy

Johnson Pump Marine UltimaBilge

Low Boy Bilge Pump

Low Profile pump design for ease of mounting and removal in tight bilge areas. Perfect for vessels with bilge pumps mounted beneath inboard or I/O engines. Removable cartridge style.

For L550 LB we have easy-to-install Dura-Port discharge ports to eliminate stress cracking caused by over-tightened hose clamps. The pumps will be delivered including both a straight and a 90° smooth elbow Dura-Port.

Max length 146 mm – 5.75”
Width 81 mm – 3.2”
Height 72 mm – 2.82”
Wire size 1.3 mm2 – 16 GA

 

Downloads (.PDF)

Instruction Manuals, Flyers and Marine Catalogue are found in the Johnson Pump Library

 

Bilge pumps - Cartridge L450-L750 & Ultima Combo L450UC-L750UC

Cartridge Ultima Combo
Cartridge L450, L550, L650, L750 12V DC
Cartridge L650, L750 24V DC
Ultima Combo L450UC, L550UC, L650UC, L750UC 12V DC
Ultima Combo L650UC, L750UC 24V DC

The both pump series consists of four different sizes. The basic version can be combined with either an automatic switch AS888, an electronic float switch or the new ULTIMA switch for automatic operation. The Cartridge Duo pumps are equipped with a non-clogging electronic float switch as standard.

For L450, L550, and L650 and dito Ultima Combo versions, we have improved the design with easy-to-install Dura-Port discharge ports to eliminate stress cracking caused by over-tightened hose clamps.
The pumps will be delivered including both a straight and a 90° smooth elbow Dura-Port as well as a removable check valve.

Both the Cartridge and the Ultima Combo pumps may be manually operated via the Johnson Pump bilge control panel.

CE-approved

Features

  • Compact, all-in-one motor/impeller unit
  • No tools needed for maintenance
  • Extremely energy efficient
  • Water-cooled motor for long service intervals
  • Meets the international standard, ISO 8849 marine
Opening
Design features
Pump body: Thermoplastic
Shaft seal: Lip seal
Shaft: Stainless steel (SS2343)
Voltage: 12/24 V DC
Hose sizes: L450 - L650: 3/4"
L750: 1 1/8"

Capacity curves for Cartridge Submersible Bilge Pumps at 20°C/68°F

Curve

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Cartridge Amperage Fuse
L450 2.5 amp 5 amp
L550 3 amp 5 amp
L650 3.2 amp 5 amp
L650, 24 V 2 amp 3 amp
L750 3 amp 5 amp
L750, 24 V 2 amp 3 amp

Ultima Combo Amperage Fuse
L450UC 2.5 amp 5 amp
L550UC 3 amp 5 amp
L650UC 3.2 amp 5 amp
L650UC, 24 V 2 amp 3 amp
L750UC 3 amp 5 amp
L750UC, 24 V 2 amp 3 amp

 

Downloads (.PDF)

Instruction Manuals, Flyers and Marine Catalogue are found in the Johnson Pump Library

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