Electronic water-level alarm control with visual and audible warnings: pairs with an electronic bilge switch to alert when water rises above the safety line and silences when the level falls.

• Visual red LED and ≥85 dB audible alarm
• Interfaces with electronic water-level switch to trigger alarm and control panel
• Electric-field bilge switch rated to 20 A at 12 V and 10 A at 24 V
• Switch activates at 41 mm (1.61 in) fluid level and deactivates at 9.5 mm (0.37 in)
• 3-second delay prevents false starts
• Totally sealed detector — never in contact with water; unaffected by oil or debris; non-corroding
• Mercury-free and no moving parts
• Three-way switch silences the siren while keeping the warning LED lit