PENTAIR SHURFLO 4028-100-E54 Revolution 12V Water Pump, 2.3 GPM Diaphragm Pump, 50 PSI Automatic Demand, Self Priming 6 Ft, Run Dry Safe, RV Marine Camping Fresh Water Pump, 1/2 Inch NPSM Ports

The PENTAIR SHURFLO 4028-100-E54 Revolution 12V water pump is designed to provide dependable fresh water flow for RV, marine, and portable plumbing systems. With a 4-chamber diaphragm design and internal bypass, it delivers smooth 2.3 GPM performance and stable pressure when water is needed for sinks, showers, or dispensers. Its automatic demand operation ensures water flows instantly whenever a tap is opened. Built for reliability in mobile environments, this pump features a durable polypropylene housing, Santoprene diaphragm, and EPDM valves that resist wear from continuous use. Thermal overload protection and automatic restart protect the motor, while the pump can run dry without damage. When traveling, camping, or operating boat water systems, the pump maintains consistent performance. Designed for flexible installation, the pump can be mounted in any position and self-primes up to 6 feet, making it ideal for applications requiring compact, efficient water delivery. RV owners, campers, and boat operators choose this pump for a quiet, reliable solution for fresh water transfer, pressurized plumbing, and portable water systems.

• Reliable Diaphragm Design: 4 chamber diaphragm pump with one-piece diaphragm and internal bypass for steady 2.3 GPM water flow and dependable pressure control for RV plumbing, marine systems, and portable water transfer
• Automatic Pressure Control: Built in switch shuts off at 50 PSI and restarts at 40 PSI to deliver consistent water pressure when faucets showers or dispensers are opened in RV camping or boat water systems
• Self-Priming Performance: Dry primes up to 6 feet and safely runs dry without damage, making it ideal when water supply changes or tanks run low during travel, camping, or outdoor utility use
• Durable Construction: Polypropylene housing, Santoprene diaphragm, and EPDM valves with stainless and zinc-plated hardware for long service life in fresh water systems exposed to frequent use
• Flexible Installation: 12V DC permanent magnet motor with thermal overload protection mounts in any position for RV owners, campers, boaters, and mobile setups needing a compact demand pump