Jabsco Q401J-118S-3A Par-Max Heavy Duty 12V Water System Pump 4 GPM

The Jabsco Par-Max Q401J-118S-3A is a heavy-duty water system pump engineered for demanding marine, RV, and recreational vehicle applications. This 12-volt pump delivers 4 gallons per minute of flow, providing reliable water pressure for showers, sinks, and onboard water systems.

Key Features:

• Co-molded diaphragm technology ensures extended service life and exceptional durability
• Heavy-duty motor with cast aluminum lower housing designed for sustained high-pressure operation
• Integrated sealed pressure switch enables automatic on-demand operation
• Self-priming design allows flexible installation above or below water tank level
• Runs dry without damage, protecting pump during low water conditions
• Quick-connect ports simplify installation, servicing, and maintenance
• Vibration-dampening mounting feet reduce noise and ensure quiet operation
• Efficient motor design minimizes power consumption while maximizing performance

The Par-Max HD series represents Jabsco's premium water pressure system solution, combining robust construction with intelligent automatic controls. The sealed pressure switch activates the pump when a faucet opens and shuts it off when closed, conserving battery power. Ideal for boats, RVs, campers, and mobile applications requiring dependable freshwater delivery.