Johnson Pumps Water Pressure System Pumps
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Johnson Pumps Water Pressure Systems: Marine-Grade Reliability
When it comes to delivering consistent water pressure aboard boats and recreational vehicles, Johnson Pumps stands as a trusted name backed by over 75 years of engineering expertise. As a division of SPX Flow Technology, Johnson Pumps has built its reputation on creating water pressure solutions specifically engineered for the demanding marine environment, where reliability and quiet operation are paramount.
Aqua Jet Series: Five-Chamber Innovation
The Aqua Jet series represents Johnson Pumps' flagship water pressure system offering, featuring a five-chamber design that delivers dramatically lower noise and water pulsation characteristics compared to conventional three or four-chamber diaphragm pumps. Available in configurations ranging from 3.5 to 13 liters per minute (up to 40 l/min in dual-pump configurations), these systems integrate seamlessly with PUMProtector inlet strainers and pre-pressurized accumulator tanks to create complete turnkey solutions for onboard water delivery.
Flow Master Variable Flow Technology
The Flow Master series introduces revolutionary five-chamber positive displacement diaphragm pump technology with digital controllers that adjust water flow as demand changes while maintaining constant line pressure. This unique variable flow feature allows the pump to be mounted without an accumulator tank and still maintain even flow at the fixture, regardless if one or multiple taps are being used. With maximum flow rates up to 5.0 gallons per minute and pressure capabilities reaching 51 PSI, Flow Master pumps are ideal for pressurizing water in closed systems found in boats and RVs.
Built for Marine Durability
Johnson Pumps constructs its water pressure system pumps with marine-grade materials including Santoprene diaphragms, EPDM valves, and corrosion-resistant PP/PPA bodies. These pumps feature self-priming capabilities up to 6 feet, can run dry for moderate lengths of time without damage, and incorporate thermal protection in their motor designs. The whisper-quiet operation—even at low speeds—makes them particularly suitable for the confined spaces of boats and campers where noise reduction matters.
Complete System Integration
Johnson Pumps water pressure systems are designed for straightforward installation with multiple connection options including NPT threads and hose barbs in various sizes. The manufacturer recommends pairing their pumps with PUMProtector inlet strainers and accumulator tanks for optimal performance and longevity. With low maintenance requirements and readily available service parts, these systems represent a long-term investment in onboard comfort and convenience.