Attwood Bilge Switch S3 Series - 12V is an automatic bilge switch designed to protect your pump and onboard electronics. Its proprietary Electronic Sensing technology delivers reliable, maintenance‑free performance across a wide range of bilge conditions.
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Voltage: 12V DC operation
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Switching capability: 15 Amp switching for dependable pump operation
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Wire length: 36" wire for flexible installation
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Mounting options: Can be mounted on the bilge floor, to a stringer wall, or alongside the pump basket—without extra components or brackets
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Sealed electronics: Fully sealed to resist water and chemical damage for consistent operation
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No moving parts: Designed with no moving parts that can jam, wear, or fail over time
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Electronic Sensing technology: Proprietary sensing differentiates water from debris (splashes, chemicals, sludge, foam) to prevent unnecessary pump cycling
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Compatibility: Directly compatible with many competitive products and designed for a wide range of bilge configurations
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Designed for wide bilge configurations: Delivers reliable, maintenance-free performance
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Manufacturer: Attwood Marine
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Part number: 4801-7
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UPC: 022697048011
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Warranty: 5-year warranty
Keep your bilge protected and your pumps ready to go with a switch that activates when you need it and stays quiet when you don’t. The Attwood S3 Series delivers reliable, maintenance-free performance with sealed electronics, no moving parts, and flexible installation options.
