Attwood Bilge Switch S3 Series - 12V Engine Cooling Pumps Handle has square hole to

Handle has square hole to accept standard ratchet to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves

simplifying installation

Will allow easy installation and removal of float style fenders

just start and stop the GPS Pro's datalogger using a simple button press

Manufacturer : Seaview

Attwood Bilge Switch S3 Series - 12V Engine Cooling Pumps Handle has square hole toAutomatic Bilge Switch S3 Series Part #: 4801 7 Incorporates a proprietary Electronic Sensing technology to detect bilge water levels and trigger pump activation and has been engineered to operate in any bilge water mixture consistently without failure. Your pump won't be exposed to continuous cycling as the S3 switch can easily distinguish splashing bilge water, chemicals, sludge build up or foam and comes equipped with fully sealed electronics that