SEAFLO 55 Series 115V AC Water Pump & 2 Gallon Accumulator Tank System, 5.0 GPM, 60 PSI, Five-Chamber Diaphragm, Self-Priming, Run Dry Capable, NSF, UL, CE & RoHS Certified, 4-Year Warranty

The SEAFLO 55 Series Water Pump & 2 Gallon Accumulator Tank System delivers 5.0 GPM open flow and a maximum 60 PSI shut-off pressure, giving you smooth, powerful, and reliable water delivery in RVs, boats, cabins, and off-grid systems. Designed with a five-chamber diaphragm pump, this system reduces cycling and noise while maintaining steady water pressure across multiple fixtures. The pre-pressurized 2-gallon accumulator tank ensures quieter operation, extended pump life, and reduced battery or power draw. With self-priming up to 6 feet (1.8m) and run-dry protection, this unit offers unmatched durability. Constructed from Santoprene diaphragms and EPDM valves, it withstands the harshest marine and RV environments. Certified for potable water applications under NSF/ANSI/CAN 61 & 372, NSF 24, UL 778, this system guarantees clean and safe water. Pre-mounted on a durable rubber base, it installs easily in vertical or horizontal orientations. Backed by SEAFLO’s 4-Year Limited Warranty, it’s the ultimate upgrade for your water system.

• [ SPECIFICATIONS ]: Model: SFWSK1-055-060-0021 | Voltage: 115V AC | Open Flow: 5.0 GPM (18.9 LPM) | Pressure On: 40 PSI (2.8 BAR) | Pressure Off: 60 PSI (4.2 BAR) | Tank Volume: 2 Gallons (8 L) | Inlet/Outlet: 1/2" Barb | Max Draw: 18.9A | Valves: EPDM | Diaphragm: Santoprene | Warranty: 4-Year Limited.
• [ SMOOTH AND QUIET OPERATION ]: The advanced five-chamber diaphragm pump paired with the 2-gallon accumulator tank delivers consistent water pressure with reduced cycling and noise. Experience a home-like water system feel in your RV, marine, or off-grid application.
• [ SELF-PRIMING & RUN DRY CAPABILITY ]: Capable of self-priming up to 6 feet (1.8m) and designed to run dry without damage, this system provides flexible installation options while ensuring long-term reliability and protection against dry operation.
• [ EXTENDED PUMP LIFE & ENERGY EFFICIENCY ]: By reducing frequent cycling, the accumulator tank lowers stress on the pump, conserves energy, and extends pump lifespan — making it more efficient for demanding marine and RV setups
• [ SAFE FOR POTABLE WATER SYSTEMS ]: Built with NSF/ANSI/CAN 61 & 372 certified materials, and tested under NSF 24, UL 778, this system is ideal for safe drinking water delivery in RV, boat, or cabin installations.