Jabsco Par-Max HD4 Heavy Duty Water Pressure Pump - 24V - 4 GPM - 40 PSI

Enhance your marine vessel's water system with the Par-Max HD4 Heavy Duty Water Pressure Pump. Designed specifically for demanding boating applications, this 24V pump delivers a robust 4 GPM at 40 PSI, ensuring reliable water pressure for showers, faucets, and other onboard amenities.

Superior Performance for Marine Applications

The HD4 model stands out with its heavy-duty construction, featuring a wider diameter motor and a powder-coated shell to withstand the harsh marine environment. Cast aluminum end bells and a reinforced lower housing extend the pump's lifespan and enhance pressure capabilities, making it ideal for boats requiring up to 6 GPM and 60 PSI.

Versatile Standard Models

For vessels with moderate water demands, our standard models offer excellent performance within a compact, economical footprint. Available in 1-3 GPM configurations, these pumps are perfect for boats with multiple outlets. The durable plastic housing protects the motor from corrosion, ensuring dependable operation season after season.

Key Features

• Co-molded diaphragm technology ensures long life and durability
• Heavy-duty motors and cast aluminum lower housings for extended lifespan even under high pressure
• Efficient and quiet operation minimizes onboard noise
• Integrated, sealed pressure switch allows for on-demand water flow
• Self-priming capability offers flexible installation options
• Can safely run dry without sustaining damage
• Quick connect ports simplify installation, servicing, and maintenance
• Vibration dampening mounting feet reduce operational noise and wear
• Integrated bypass module minimizes cycling and ensures smooth water flow

Technical Specifications

Additional Specifications

• Voltage: 24V
• Maximum PSI: 40
• Flow Rate: 4 GPM
• Dimensions: 6"H x 6"W x 15"L
• Weight: 7.9 lbs
• UPC: 671880841894

Download the Brochure (PDF)

WARNING: This product can expose you to chemicals including ANTIMONY OXIDE (ANTIMONY TRIOXIDE) which is known to the State of California to cause cancer. For more information, visit P65Warnings.ca.gov.

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.