Float Switches • Patent pending snap switch design • Snap switch tested to over 1,000,000 cycles @ 12V • Highly abrasion resistant marine grade blocked wire • Exclusive moisture tight seals • Environmentally friendly mercury free design. Model Description 35FA Rule-a-Matic with fuse holder 37FA Super Switch with fuse holder 20A Rule-a-Matic covered switch 40FA Rule-a-Matic covered switch 20A with fuse holder Installation Instructions The Rule-a-Matic, Super Switch, and Rule-a-Matic Plus float switches are suitable for any submersible bilge pump with an operating current rating as listed below. Maximum Current Rating Voltage Rule-a-Matic Super Switch / Rule-a-Matic Plus All switches will turn the pump on when the water level reaches 2" (51 mm) and will turn the pump off when water level falls to 3/4" (19mm). They can also be used to operate high water alarm systems. This product must be fused with the correct recommended fuse size for the pump to which it is connected. Do NOT use these switches in applications where the pump is operating above the maximum current in the table above. Dimensional Drawings Dimensions in Inches (millimeters) Wire Size Wire Length Max. Amps Guard Warranty

Mounting Instructions For best operation, the Rule switch should be located on a flat surface in the bilge compartment. Do not exceed the installation angles as described in the diagrams below as this will affect switch performance. Electrical Installation Wire the Rule switch as shown in the diagrams below. The positive (+) side of the battery should connect directly to the fuse (note models 35FA, 37FA, and 40FA include a fuse holder). Adding a fuse will prevent damage to both the pump and switch should an electrical problem occur. When adding additional wire up to 20 ft (6m), the wire added...