12V Vacuum Toilet Pump | Johnson Pump 10-13373-07 12 volt vacuum pump is designed for use in vacuum toilet systems to move unmacerated grey waste water to holding tank. Johnson Pump Viking Power vacuum pump 6.3 GPM at open flow Self-priming to 16.4 ft. vertical lift 3.3 amps @ 12 volts DC with built-in thermal protection 1 1/2 in. hose barb connections Single chamber diaphragm design provides smooth and quiet operation High-impact glass-fiber reinforced nylon body Specifically designed to pump grey waste water Engineered to prevent odors Non-choke valves eliminates the need for in-line filters Utilizes double check valves which allows it to be used with vacuum toilet systems Supplied with a hand crank for manual use in a power outage or emergency situation Pump can be run dry and handle a mixture of air and water without damage to pump ISO 15083 ISO 8846 - protection against ignition against explosive gases 14 in. long x 10.7 in. wide x 7.6 in. height