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The 21-Series Pumps are compact and designed for a wide range of applications including liquid transfer, spraying, circulation, filtration and dispensing. The 21-series of diaphragm pumps are self-priming and can be run dry without harm. It provides up to 1.2 gallons per minute. This compact automatic demand water system pump has a built-in pressure switch, which automatically starts and stops the pump when faucet is opened and closed. Features & Benefits Compact design Heavy-duty demand switch Can run dry Quiet operation Industry standard mount pattern Typical Applications Marine/RV Single Fixture at a time Beverage/Food Service Distillation Equipment Agricultural Spraying General Industrial Automotive PUMP Type 2 Chamber positive displacement diaphragm pump, self priming, capable of being run dry Max Recommended Temperature 110°F (43°C) Max. Priming Capabilities 4 feet (1.2 m) suction lift Max Pressure 35PSI (2.8bar) Inlet/Outlet Ports 3/8" hose barb Weight 1.25 lbs (0.57 kg) Motor Duty Cycle :Intermittent Leads 18 AWG, 13.78" long Voltage 12v