40004 - Johnson Pump 4000 GPH Bilge Pump 1/2" Discharge Port 12V

• Heavy duty, 12-pole double ball bearing motor
  
• Liquid cooled for extended motor life
  
• Quality engineered mechanical/lip seal
  
• ISO 8849 Marine and CE standards
  
• Easily interchangeable with most similar bilge pumps
  
• Pump body: Thermoplastic
  
• Shaft seal: Mechanical seal
  
• Shaft: Stainless steel (SS2343)
  
• Voltage: 12 V
  
• Capacity 1.0 m head (13.6 V/27 V): 164 l/min - 2600 GPH
  
• Capacity straight (13.6 V/27 V): 252 l/min - 4000 GPH
  
• Amperage: 15 A
  
• Fuse Size: 25 A
  
• Connection: 1-1/8" and 1-1/4"
  
• Shaft: SS2343
  
• Wire size: 2 mm2 - 14 GA
  
• Max height 216 mm - 8.5"
  
• Weight 2.45 kg - 5.4 lbs

The Johnson Pump 4000 GPH Bilge Pump is a heavy-duty, 12V solution designed for marine applications requiring efficient water removal. This unit, part number 40004, is suitable for both commercial and recreational vessels that need a reliable bilge pump. It features a liquid-cooled, 12-pole motor with double ball bearings, engineered for extended service life under demanding conditions. The pump body is constructed from high-impact ABS plastic, and it incorporates a mechanical shaft seal for durability. With a capacity of 4000 GPH (straight) and 2600 GPH (at 1.0 m head), it effectively addresses water accumulation in bilges. The design includes a universal base plate and offers a choice of 1-1/2" or 2" discharge ports for flexible installation. A removable check valve is included to prevent backflow.