It can run dry without damage, no vibrations, very quiet. Fitted with internal bypass for inlet pressure control. Permanent magnet motor with self-lubricating shaft. The 4-diaphragm system prevents the pulsations that usually occur in the other fresh water pumps with a semi-open tap. 4 plug-in fittings (2 x 1/2" threads and 2 x 14-mm with 1/2" hose adaptors) and a plug-in inlet strainer.
Mercurys TDS improves boat and engine security and provides owner ease of mind. The system immobolizes the engine until the Fob is inserted. (Limit to approximately 2000 RPM) Once the Fob is inserted into the docking station; the user will experience normal engine performance. Red or green lights on the docking station indicates lock or unlock condition. Can be used on ALL SmartCraft capable engines 40 HP and above