Protects jabsco flexible impeller bilge pumps from dry running. Senses loss of inlet vacuum when bilge is dry and air enters pump and then cuts power to motor or electro magnetic clutch.Protects any 12 V or 24 V DC electric or electromagnetic clutch bilge pump up to 15 A from dry running drainage – especially flexible impeller designs.FeaturesSimply mounts between bilges and pumpSome Jabsco pumps have integral mounting pointManual start, automatic stop – remote start possibleVacuum sensor shuts off power to pump motor or clutch when bilges are clearInstall pump with a minimum 1.2 m suction liftRequires manual start cut-out is automaticFor remote start, fit a 15 A push button switch (normally off) next to the master switchSpecificationsThread type: BSPConnection female BSP thread: 1/4″ (6 mm)Connection close nipple: 1/4″ (6 mm)Suitable DC voltage: 12V and 24VAC voltage: Up to 220V (15 A) and 110V (10 A)Height: 3 1/2″ (9 cm)Diameter: 4″ (11 cm)Weight: 1.5 lb (0.7 kg)Technical FileDatasheet .input-wrapper a { text-decoration: none; / Removes underline / background-color: transparent; / Ensures no background color / } .input-wrapper a:hover { text-decoration: underline; / Adds underline on hover / background-color: transparent !important; / Removes grey highlight / }