Ideal for Two Engine Service - Either Two Engine, Engine / Generator or Diesel Engine / Transmission combination on Inboard sailboat or power boat applications Two way shut off Brass valve with adapters for 1/2" ID hose installation Mounting plate for easy engine room installation Self priming impeller driven reversible pump for drain and fill applications 12 or 24 Volt motors available Pumps water, oil and diesel fuel Built in fuse for motor protection