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💧 Stay dry, stay ahead—automatic bilge control that works as hard as you do.
The Whale Electric Field Sensor Switch BE9003 is a precision marine sensor that automatically activates bilge pumps at 2 inches of water and shuts them off below ½ inch. Compatible with 12V or 24V systems and supporting up to 20 amps, it offers versatile mounting and easy installation with color-coded wiring. Featuring built-in test circles and certified safety standards, this sensor ensures reliable, hands-free bilge pump operation for peace of mind on every voyage.






| ASIN | B00N4X2DWS |
| Best Sellers Rank | #135,257 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #150 in Boat Bilge Pumps |
| Brand Name | Whale |
| Circuit Type | 1-way |
| Color | Black |
| Compatible Devices | Bilge Pumps |
| Compatible with Vehicle Type | Boats |
| Connector Type | Molex |
| Contact Material | Stainless Steel |
| Contact Type | Normally Closed |
| Control Method | Sensor |
| Control Type | Automatic |
| Current Rating | 20 A |
| Customer Reviews | 3.8 3.8 out of 5 stars (132) |
| Global Trade Identification Number | 00766478946188 |
| Included Components | Electric Field Switch, Instructions |
| Item Dimensions | 3.6 x 0.75 x 2.8 inches |
| Item Type Name | boat-shower-pumps-and-sumps |
| Item Weight | 3.2 ounces |
| Lower Temperature Rating | 1 °C |
| Manufacturer | Whale |
| Material Type | Plastic |
| Model | BE9003 |
| Mounting Type | Wall Mount |
| Number of Items | 1 |
| Number of Positions | 1 |
| Operating Voltage | 12 volts |
| Operation Mode | automatic |
| Part Number | BE9003 |
| Switch Type | Sensor |
| Terminal | Screw |
| UPC | 766478946188 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 1 °C |
| Warranty Description | 1 Year Warranty |
| Wattage | 1 watts |
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