SEAFLO 33 Series DC Diaphragm Pump – 4-Year Warranty! 12V, 3.0 GPM, 45 PSI, Self-Priming, Run Dry Safe, Built-In Pressure Switch | Ideal for Marine, RV, and Water Systems

The SEAFLO 33 Series DC Diaphragm Pump, Model SFDP1-030-045-33, delivers reliable, on-demand water performance for marine, RV, and general water system applications. Operating at 12V, this positive displacement pump provides a flow rate of 3.0 GPM (11.3 LPM) and a shut-off pressure of 45 PSI (3.1 BAR), making it perfect for high water flow, moderate pressure requirements. Featuring a 3-chamber diaphragm design, this pump ensures smooth and consistent water flow while remaining quiet. With self-priming capabilities up to 6 feet (1.8 meters) and the ability to run dry without damage, the SEAFLO 33 Series is built for durability and reliability. The integrated automatic pressure switch enables hassle-free operation by starting and stopping the pump when fixtures are opened or closed. Designed to supply up to 4 fixtures, this compact pump includes a rubber mounting base to reduce vibrations and noise. Easy to install, service, and winterize, the SEAFLO 33 Series pump is backed by a 4-Year Limited Warranty for dependable, long-lasting performance.

• 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) suction lift
• Max Recommended Temperature: 140°F (60°C)
• Material: EPDM (Valves) / Santoprene (Diaphragm)
• Ports: 1/2"-14 MNPT
• INCLUDED COMPONENTS
• (1) 51S01 Filter,
• (2) 51F001 1/2"-14 FNPT x 1/2" Barb Straight Pump Fittings
• (1) Installation Instructions
• (1) Warranty Information
• (1) Pump
• HIGH-PERFORMANCE 3-CHAMBER DESIGN
• The advanced 3-chamber diaphragm design delivers smooth and consistent water flow up to 3.0 GPM, making it ideal for moderate-pressure water system applications.
• CAPABLE OF SUPPLYING UP TO 4 FIXTURES
• This versatile pump provides enough water flow and pressure to operate up to 4 fixtures simultaneously, ensuring consistent performance in RVs, boats, or water systems.
• SELF-PRIMING AND RUN DRY CAPABILITY
• Capable of self-priming up to 6 feet (1.8 meters) with a head capability of 6 feet, this pump ensures flexibility in installation and dependable suction power. It can also run dry without damage.
• AUTOMATIC PRESSURE SWITCH
• The built-in pressure switch allows the pump to start and stop automatically when the tap or fixture is opened or closed, providing on-demand water supply with ease.
• QUIET AND VIBRATION-FREE OPERATION
• Equipped with a rubber mounting base to minimize noise and vibrations, the pump ensures smooth, quiet operation for marine and RV environments.