The Rule-A-Matic "PLUS" is a compact, sleek, superior quality non-mercury automatic float switch.

The "plus" switch is the 1st choice of boatbuilders worldwide. It has a strong, fully integrated cover to protect against debris and jamming of the switch.
14 gauge highly abrasion resistant blocked wires exit the top of the switch - to keep them out of the water and keep wear and tear to a minimum.

Built-in manual test feature allows operational check. It is suitable for any brand of submersible bilge pump 12v - 24v - 32 volt with a maximum draw of 20 amp.

Suits all models of Rule DC non-automatic pumps.

2 year limited warranty.

Rule Automatic Float Switches are the world's largest selling marine float switches.

They are designed to automatically activate your Non-Automatic bilge pump when water is present.

Rule automatic float switches are simple, non-mercury, envoironmentally responsible snap switches which have been tested to over 1 million cycles. All are ignition protected, ultrasonically welded and sealed, to give reliable, trouble-free service. The wiring is blocked to keep out moisture and exits the top of the switch to keep them high and dry. Different models are available to suit various pump amperage loads.

No battery drain and no exposed metal to corrode.