Product Overview
3.5 Gpm Water Pressure Pump

Enjoy the comforts of home on the open water with the Johnson Pump 3.5 GPM Water Pressure Pump. This powerful yet quiet five-chamber diaphragm pump delivers a consistent, pulsation-free flow of fresh water for showers, galley sinks, and washdowns, making your boating experience more enjoyable and convenient. Its compact design and efficient operation make it ideal for small to medium-sized boats, while the integrated pressure switch automates operation for effortless water access.
Key Features
- **Powerful Performance:** Delivers a robust 3.5 GPM (13 L/min) flow rate for all your onboard water needs.
- **Whisper-Quiet Operation:** The five-chamber design significantly reduces noise and vibration compared to traditional pumps, ensuring a peaceful onboard environment.
- **Smooth, Consistent Flow:** Eliminates pulsation for a steady stream of water, just like you'd experience at home.
- **Self-Priming:** Primes up to 6.5 feet, simplifying installation and ensuring reliable performance.
- **Automatic Operation:** Integrated pressure switch automatically turns the pump on and off as needed, conserving energy and extending pump life.
- **Durable Construction:** Built with robust Santoprene/EPDM valves and a durable polypropylene valve housing for long-lasting performance in harsh marine environments.
- **Easy Installation:** Quick-connect fittings for both 1/2" and 3/4" hose or 3/8" and 1/2" threaded NPT pipe connections are included for versatile installation options.
- **Multiple Voltages Available:** 12V and 24V models available to suit various boat electrical systems.
Specifications
The Captain's Take
After years of battling noisy, unreliable water pumps, I switched to the Johnson Pump 3.5 GPM Aqua Jet. The difference is night and day. It's remarkably quiet, provides a strong, steady flow, and the automatic pressure switch is a lifesaver. I highly recommend this pump to any boater looking for a reliable and convenient water pressure system.