The 21 Series DC Diaphragm Pump is a compact, high-performance water pressure pump designed for a wide range of fluid handling applications. Ideal for liquid transfer, spraying, circulation, filtration, and dispensing, this mini diaphragm booster pump delivers reliable performance in a small, durable form factor.
Featuring self-priming capability up to 1.2 m and the ability to run dry without damage, the 21 Series pump is built for convenience and long service life. Its integrated automatic pressure switch allows the pump to start and stop automatically when a faucet or outlet is opened or closed, making it perfect for on-demand water systems.
Designed to serve one or two 3/8" (10 mm) outlets simultaneously, this pump is well-suited for use in RVs, marine systems, caravans, agricultural equipment, and small water systems.
Features & Specifications:
Voltage Options: 12V / 24V DC
Open Flow Rate: 1.0-1.2 GPM (3.8-4.5 LPM)
Shut-Off Pressure: 35-70 PSI (2.4-4.8 BAR)
Priming Capability: Up to 4 ft (1.2 m) suction lift
Maximum Water Temperature: 60 C (140 F)
Materials: EPDM valves, Santoprene diaphragm
Ports: 3/8" hose barb (custom O-ring options available)
Compact, efficient, and versatile, the 21 Series DC Diaphragm Pump is an excellent choice for reliable water pressure and fluid transfer in mobile and stationary applications.
What's in the box
1 x Pump
