Mayfair® Automatic Float Switch.
The original and only American-made Automatic Float Switch, uses a specialty designed material to handle DC current for solid, reliable performance.
Ultrasonically sealed inside the thermo-plastic housing, the micro switch activates your bilge pump with an audible "click". As water exceeds acceptable levels, the pump is turned on by a rolling steel ball that changes pressure on the micro switch.
Rapid on / off cycling is prevented by a built-in differential of 1 5/8" and by an exclusive anti-spike feature. A special slide-on "T" slot lets you attach the Switch instantly to any Mayfair® bilge pump.
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