Par-Max Heavy Duty Water System Pump, 12V, 4GPM, 40 PSI

Co-molded diaphragm technology for long life and durability . HD model featuring heavy duty, motor and cast aluminum lower housing which allow for long-life, even at high pressures . Efficient and quiet operation . Integrated, sealed pressure switch for on-demand operation . Self-priming allows for installation versatility . Runs Dry Without Damage . Self‐Priming . Quick connect ports for ease of installation, servicing, and maintenance . Vibration dampening mounting feet . Equipped with integrated bypass module to reduce cycling and provide smoother flow. Quick Connect Strainer included

This bronze body, self-priming impeller pump will produce a dry prime suction lift of about 6 ft. and has a maximum head of 20 ft. Use for bilge pumping, livewell circulation, washdown, and general pumping applications. Cannot be run dry. Permanent magnet type motor is fully enclosed with a stainless steel shaft and has adequate torque to reverse the pump. Complies with USCG Electrical Standards 183. 410 and ISO 8846 marine for ignition protection on gasoline powered vessels. Ports: 1/2 in. internal pipe threads, 1 in. external hose barb & 3/4 in. external garden hose adapter. Quality marine product. Limited warranty.

This self-priming pump can deliver almost 80lbs of water per minute and is reversible to both fill and empty ballast tanks. Run-dry protection shuts off pump before impeller is damaged. Complies with USCG 183. 410 and ISO 8846 for ignition protection. Ports: 1/2 in. NPT internal thread and 1 in. external hose barb. NOT TO BE USED IN POTABLE WATER SYSTEMS. Quality marine product. Limited warranty.

Utilizing our reversible flexible impeller pump technology, ballast systems can be filled or emptied. Available with or without Reversing Polarity Switch to fill or empty ballast tanks. Includes run-dry impeller. Complies with USCG 183.410 and ISO 8846 MARINE (Ignition Protected). 1 in. (25mm) hose barb or 1/2 in. NPT internal port.