Jabsco Par-Max 3 Water Pressure Pump - 12V - 3 GPM - 40 PSI
Reliable shipping
Flexible returns

Jabsco Par-Max 3 Water Pressure Pump - 12V - 3 GPM - 40 PSI
Engineered for dependable on-board water delivery, the Jabsco Par-Max 3 pumps clean, pressurized water to sinks, showers, and outlets with quiet efficiency. This 12V DC pump delivers up to 3 GPM at 40 PSI, combining solid performance with a compact footprint that fits neatly into boats, RVs, and other tight installations.
- 12V DC operation for reliable on-demand water pressure from your vessel’s power system.
- 3 GPM at 40 PSI ideal for multiple outlets and everyday freshwater needs.
- Self-priming to 7 ft enables flexible placement and versatile mounting options.
- Integrated bypass module reduces cycling and provides smoother, steadier flow.
- Co-molded TPV diaphragm delivers long life and durability in demanding conditions.
- Quiet, efficient operation with vibration-dampening mounting feet for a peaceful cabin environment.
- Quick-connect ports simplify installation, servicing, and maintenance.
- Corrosion-protected plastic housing helps shield the motor from harsh marine environments.
- HD (Heavy Duty) options feature wider motors and cast aluminum end bells and lower housings for higher pressure capabilities (up to 6 GPM and 60 PSI).
- 1-3 GPM configurations are perfect for vessels with 1–3 outlets, delivering reliable performance where you need it most.
- Can run dry without damage, offering installation versatility and added reliability in critical systems.
Performance and Durability
The Par-Max 3 is designed for long life and dependable service. HD models push pressure further with reinforced components, while standard models deliver economical, steady performance. An integrated sealed pressure switch provides on-demand operation, and the system is built to operate quietly without compromising flow.
Technical specifications
- 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: 7 ft (2.13 m) minimum
- Certifications: CE, ISO8846, RCM
- Ingress Protection: IPX6
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 go to P65Warnings.ca.gov.