Jabsco Par-Max HD3 Heavy Duty Water Pressure Pump - 12V - 3 GPM - 60 PSI

Jabsco Par-Max HD3 Heavy Duty Water Pressure Pump — a reliable 12V solution delivering up to 3 GPM at 60 PSI for boats, RVs, and off‑grid systems. Built to excel under demanding conditions, the HD3 lineup combines a wider motor, powder‑coated shell, and rugged cast aluminum endbells and lower housing to maximize pressure capability and service life.

Why choose the Par-Max HD3?

• Long‑life diaphragm technology: Co‑molded TPV diaphragm for durability and consistent performance.
• Heavy‑duty construction: HD models feature a robust motor and cast aluminum housing for reliable operation at higher pressures.
• Integrated bypass and smooth flow: Built‑in bypass module reduces cycling and delivers steadier water pressure.
• On‑demand, self‑priming operation: Integrated pressure switch enables instant activation, with quick connect ports for fast installation and maintenance.
• Dry‑run capable: Can run without damage, providing installation versatility and reduced worry in variable systems.
• Vibration dampening: Mounting feet minimize noise and vibration for a quieter system.
• Corrosion protection: Plastic housing on certain configurations guards the motor from corrosive exposure.
• Versatile performance options: Configurations up to 6 GPM (23 LPM) and 60 PSI meet a wide range of vessel needs, with the 1–3 GPM variants ideal for vessels with 1–3 outlets.

Key specifications

• Motor design: Brushed, permanent magnet TENV
• Pumphead upper housing: 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: 7 ft min (2.13 m)
• Certifications: CE, ISO8846, RCM
• Ingress Protection: IPX6

Applications and installation

Ideal for marine and mobile setups requiring dependable water pressure for showers, sinks, and auxiliary systems. The self‑priming design and quick connect ports simplify installation in boats, RVs, and off‑grid cabins, while the rugged construction ensures enduring performance in harsh environments.

Safety notice: 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 go to P65Warnings.ca.gov.