Our top choice:
Image | Name | Buy |
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![]() | Rule 35A Rule-A-Matic Bilge Pump Float Switch, Mercury Free. Completely sealed metal capsules enhance flawless operation. Year after year, the Rule-A-Matic has been the switch of choice for boaters the world over. A genuine Rule product, don't settle for anything less. | Amazon |
![]() ![]() | Shoreline Marine Bilge Pump Switches. The Shoreline Marine Switch is one of the simple and functional fishing boat accessories. Activates pump automatically. For use with DC bilge pumps. Wiring diagram is included in package. | Amazon |
![]() ![]() | Rule 40A Rule-A-Matic Plus Bilge Pump Switch, 12, 24 or 32 Volt, Moisture Tight Seals Small. Sleek and rugged with a strong, fully integrated impact resistant cover to protect against debris and jamming. Designed for pumps drawing up to 20 amps. | Amazon |
![]() ![]() | Seachoice Universal Series Automatic Marine Pump Float Switch. This reliable and affordable universal series float switch converts any DC bilge pump to automatic operation. Converts DC bilge pumps to automatic operation, 2,000 gallon per hour capacity. 36 Volts Strength Non-corrosive ABS plastic construction. | Amazon |
![]() ![]() | Johnson Pump 26014 AS888 Automatic Float Switch. Uses rolling steel ball and micro-switch, no mercury. It is going to be a let down because the mercury flowed better than the metal ball inside the housing. | Amazon |
![]() ![]() | Rule SuperSwitch, Moisture Tight Seals, 12, 24 or 32 Volt. Rule-A-Matic Float Switch 37A. Removable base for easy cleaning and servicing. Designed for pumps drawing up to 14 amps at 12 volt DC. | Amazon |
![]() ![]() | Attwood 4202-7 Float Switch, For Bilge Pump, 12- and 24-V CE rated. Converts manual bilge pump into one that is controlled fully automatically. Reliable mechanical switch that actuates pump motor at 2 inches water level. Compact, low-profile design that mounts on any surface. | Amazon |
![]() ![]() | Shoreline Marine Bilge Pump with Float Switch. Float Switch is a compact and complete system providing peace of mind, that it will pump out bilge water automatically. The universal mounting bracket makes the pump installation easy regardless of application. | Amazon |
![]() ![]() | New Boat Float Switch Automatic Johnson Non Clog JPI 36152. Compact mechanical switch offers a combination of reliable solid state electronics and a sealed float switch. Activates pump at 2" water level, deactivates pump at 3/4" water level. 12V. Handles up to 15 amps. | Amazon |