Rule-A-Matic Bilge Pump Float Switch 35AThe Rule-A-Matic Bilge Pump Float Switch is designed for automatic on/off bilge pump control. Rule-A-Matic Plus bilge switches have 14 gauge highly abrasive resistant, marine-grade blocked wire and exclusive moisture-tight seals. All Rule float switches are mercury-free and are tested to over one million cycles. It is recommended that the Rule-A-Matic is installed on a flat surface in the bilge compartment for maximum performance.The Rule-A-Matic Float Switch will activate the bilge pump when the water level reaches 2", and will turn the pump off when the water level falls to 3/4". This float switch is suitable for use with any submersible bilge pump drawing up to 14 Amps.Features: Marine-grade blocked wire; Exclusive moisture-tight seals; Switch design prevents rapid on/off cycling.; Mercury free; 2 Year warranty; Specifications: Volts: 12/24 DC; Amp draw: 14 amp (12V), 7 amp (24V); Dimensions: 4-1/2" L x 1-1/2" W x 2" H; Click here for Rule Rule-A-Matic Plus Bilge Pump Float Switch Instruction Manual