Johnson Pump Model 1600 Heavy Duty Bilge Pump

Powerful, heavy-duty bilge pumping performance in a tall-stack design built for tough commercial and recreational use. This Johnson Pump Model 1600 provides high-volume 1600 GPH output with a liquid-cooled, 12-pole motor, double ball bearings, a lip seal design, and a removable check valve for dependable bilge system operation.

Key Features

• High volume 1600 GPH pump performance for effective bilge dewatering
• Liquid-cooled, tall stack 12-pole motor with double ball bearing design
• Low amp draw design for efficient operation
• Lip seal design for the 1600 GPH model
• Includes removable check valve
• Multiple port-size connections included with 2 internally threaded DuraPorts: 1-1/8″ and 1-1/4″
• Robust high-impact ABS plastic construction and unique threaded port design
• Adaptable to Rule bases for replacement-style installs
• Made in USA
• 3 year warranty

Product Compatibility

• Marine bilge pumping systems (boats/yachts)
• Commercial and recreational bilge duty applications
• Replacement bilge pump installations where a heavy-duty 1600 GPH unit is specified
• General use with appropriate bilge discharge plumbing using the included DuraPorts

Product Details

• Johnson Pump Model 1600 Heavy Duty Bilge Pump
• Output capacity: 1600 GPH
• Motor: liquid cooled, tall stack 12-pole motor
• Bearings: double ball bearing design
• Sealing: lip seal design (1600 model)
• Includes: removable check valve
• Included port fittings: 2 internally threaded DuraPorts (1-1/8″ and 1-1/4″)
• Construction: high impact ABS plastic
• Port design: unique threaded port design
• Replacement note (per product info): the 1600/2200 GPM models feature the same baseplate as Rule 1500/2000 for easy replacement
• Warranty: 3 year warranty
• SKU on this product: 189-1600400

Parts Desk Insights

Best Use Case: Best for owners and installers who need a heavy-duty, high-flow bilge pump with efficient motor cooling and a removable check valve to support typical bilge discharge plumbing setups.

Common Issues: Common install and performance pain points for bilge pumps typically include incorrect hose routing or mismatched discharge plumbing, improper sealing/mating at the port, and check-valve orientation or blockage. If replacing an older unit, confirm the baseplate and port size match your bilge system and verify the pumps diagram orientation and sealing surfaces before final tightening.

Related Products & Accessories

• Bilge Pump Switches & Accessories (see category) – Browse the Bilge Pumps category for compatible bilge switches, check valves, and related accessories.