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

Jabsco Par-Max HD4 Heavy Duty Water Pressure Pump - 24V - 4 GPM - 40 PSI delivers reliable, on‑demand water pressure for marine, RV, and off‑grid applications with efficient, quiet operation.

HD (Heavy Duty) models are built to last, featuring a wider diameter motor with a powder‑coated shell, cast aluminum endbells and lower housing to improve pressure capability and life. This family line offers configurations up to 6 GPM (23 LPM) and 60 PSI (4.1 BAR), while standard models provide solid performance in a compact, economical footprint. The HD4 variant is ideal for vessels with 1‑3 outlets and those demanding dependable performance in demanding conditions.

• Co‑molded diaphragm technology for long life and durability in tough operating environments.
• Heavy‑duty motor and aluminum lower housing maximize pressure capability and longevity at higher pressures.
• Efficient and quiet operation for comfortable use on daily and extended runs.
• Integrated, sealed pressure switch enables on‑demand operation without external components.
• Self‑priming design allows flexible installation and installation versatility, with dry run tolerance.
• Quick‑connect ports simplify installation, servicing, and maintenance.
• Vibration dampening mounting feet reduce noise and movement during operation.
• Integrated bypass module reduces cycling and provides smoother flow for steady pressure.
• Corrosion‑resistant housing protects the motor in harsh marine and outdoor environments.

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 (2.13 m) min
• Certifications: CE, ISO8846, RCM
• Ingress Protection: IPX6

Applications include marine and RV water systems where reliable, smooth, on‑demand pressure is essential. The HD4 version offers robust performance for Vessels with multiple outlets while maintaining efficiency and quiet operation.

Note: 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.