Attwood Bilge Switch S3 Series - 12V [4801-7] Marine Plumbing & Ventilation | Transfer Pumps This new technique allows the

This new technique allows the use of existing coax or a new run of premium low loss cable

especially suitable as replacement steering

industrial filling systems

Optional shaft extension allows valve to be mounted through a bulkhead up to 1-3/4" thick with only the selector handle exposed

Attwood Bilge Switch S3 Series - 12V [4801-7] Marine Plumbing & Ventilation | Transfer Pumps This new technique allows theAutomatic 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