










💧 Stay dry, stay confident — the smart switch your boat deserves!
The Whale BE9003 Electric Field Sensor Switch is a precision-engineered marine device that automatically activates bilge pumps at 2 inches of water and shuts them off below ½ inch. Compatible with 12V or 24V power sources and supporting up to 20 amps, it features easy installation with color-coded wiring and versatile mounting options. Designed for reliable, worry-free bilge pump control, it includes built-in test circles to ensure proper operation, making it an essential upgrade for any serious boating enthusiast.






| Manufacturer | Whale |
| Part number | BE9003 |
| Item Weight | 136 g |
| Product Dimensions | 18 x 11 x 8 cm; 136.08 g |
| Item model number | BE9003 |
| Size | One Size |
| Color | Black |
| Style | Bilge Pump |
| Material | Plastic |
| Power source type | Corded Electric |
| Voltage | 24 Volts (DC) |
| Wattage | 1 watts |
| Item Package Quantity | 1 |
| Number Of Pieces | 5 |
| Switch Type | 1-way |
| Plug Profile | Surface Mount |
| Switch Style | Folie |
| Included components | End Product & Information |
| Batteries Included? | No |
| Batteries Required? | No |
V**V
Good afternoon, I paid for 10 pieces and only 9 came! Why?
Good afternoon, I paid for 10 pieces and only 9 came! Why?
R**T
Works great
Pumps a lot of water for its size and water level sensors work perfectly.
K**V
Bad idea...
When the housing gets dirty it gets wet also the pump is ON till the motor burns. I do not recommend electronic sensor switches any more...
M**O
It works well
It works, despite I don t understand the principles
R**L
Pas de flotteur donc pas de gêne pour la mise en place peux être placé en fond de quille creuse
Déclenchement pompe à membrane 12v
P**0
Whale schakelaar - prima investering
Het juiste product om mijn 18 V dompelpomp van Kärcher automatisch te laten functioneren.Eenvoudig aan te sluiten en werkt feilloos.Snelle en adequate levering.Al bij al een prima investering.
Trustpilot
Hace 3 semanas
Hace 5 días