SEAFLO 33 Series 12V RV Water Pump, 3.0 GPM 45 PSI Diaphragm Pump, On Demand Fresh Water Pump for RV Camper Boat Marine, Self Priming Pressure Pump, NSF UL Certified, 4-Year Warranty

Features

• [ SPECIFICATIONS ]: Model Number: SFDP1-030-045-33 | Voltage: 12V | Open Flow: 3.0 GPM (11.3 LPM) | Shut-Off Pressure: 45 PSI (3.1 BAR) | Priming Capabilities: 6 feet (1.8 meters) | Max Temperature: 140F (60C) | Ports: 1/2"-14 MNPT | Material: EPDM Valves / Santoprene Diaphragm.
• [ NSF UL CSA CERTIFIED FOR RV POTABLE WATER ]: Tested and certified to NSF/ANSI/CAN 61 & 372 (Potable Water Safety), NSF 24 (RV Plumbing), UL 778 (Motor-Operated Water Pumps), and CSA C22.2 No. 108 (Liquid Pumps). Safe for drinking water and compliant with RV and marine plumbing standards across North America.
• [ BACKED BY A 4-YEAR WARRANTY ]: Covered by SEAFLOs 4-Year Limited Warranty, this pump is built for long-term reliability and peace of mind. Designed for tough freshwater demands, its the perfect choice for RVs, boats, cabins, and off-grid living where consistent performance is critical.
• [ HIGH-PERFORMANCE 3-CHAMBER DIAPHRAGM DESIGN ]: The advanced three-chamber diaphragm provides reliable 3.0 GPM flow at 45 PSI for consistent water delivery in marine, RV, and off-grid systems. This design minimizes cycling, ensures steady pressure, and enhances durability. Ideal for applications requiring moderate pressure and smooth performance.
• [ #1 TRUSTED OEM PUMP BRAND BY THE RV INDUSTRY ]: SEAFLO is the #1 OEM pump brand used by leading RV manufacturers across the USA. The 33 Series is trusted as factory-installed equipment for Forest River, Thor, Grand Design, Rev Group, Brinkley RV, Winnebago, and more, proving its reliability and widespread adoption in RV water systems.
• [ SUPPLIES UP TO 4 FIXTURES SIMULTANEOUSLY ]: This pump is engineered to supply up to four water fixtures at the same time, making it ideal for cabins, boats, and RVs. Enjoy steady flow to sinks, showers, and toilets without pressure drop. A true on-demand system built to deliver consistent performance across multiple outlets.
• [ AUTOMATIC ADJUSTABLE PRESSURE SWITCH FUNCTIONALITY ]: Equipped with a built-in automatic pressure switch, the pump starts and stops based on water demand. Adjust the pressure value by turning the screw, pressure range is 17-60PSI. It activates when a faucet is opened and shuts off when closed, giving you a truly automated system. Ideal for hands-free use in RVs, boats, or any remote plumbing setup.