Aqualarm 13114 | Hi Cap. Engine Cooling Water Flow Detector - 3" Male NPT, for 3-1/2" Hose | 3.5" PMHULL3 Mercury 807406 Molded Hose Fresh

Mercury 807406 Molded Hose Fresh Water Cooled Motor

MB-69 Flush Mount Kit

it quickly detaches without tools for compact storage leaving no hardware on the rail

Tin-plated copper busses and screw terminals

Aqualarm 13114 | Hi Cap. Engine Cooling Water Flow Detector - 3" Male NPT, for 3-1/2" Hose | 3.5" PMHULL3 Mercury 807406 Molded Hose FreshThis device activates a boat alarm (not included) upon loss of raw cooling water flow to the engine. 3. 5" OD, designed for use on engines with 3 1 2" or 4" ID raw water hoses. Made of PVC and designed for marine applications, it uses a 2 wire, non polarity switch that is normally closed (normally open models are available). Upon engine start, the switch opens when the coolant water flows, and the alarm shuts off at that point, and remains off as long