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

Attribute	Details
Motor Design	Brushed, permanent magnet TENV
Pumphead Upper Housing Material	Glass fiber reinforced polypropylene
Diaphragm	Co-molded TPV
Check Valves	EPDM
Max Inlet Pressure	30 PSI (2.1 Bar)
Fluid Temperature Range	32°F – 140°F (0°C – 60°C)
Dry Self-Priming Capability	7ft min (2.13m/min)
Certifications	CE, ISO8846, RCM
Ingress Protection	IPX6

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.