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Rule 37A Float Switch Super SwitchMercury free & Patent Pending snap switch design tested to cover one million cycles. Abrasion resistant marine grade "blocked" wire. Push button, removable base for easy installation and cleaning (Models 35A & 37A). Exclusive Rule moisture tight seals and grommet. 2 year Warranty on Rule-A-Matic and Rule-A-Matic Plus, and 5 years on Super Switch. For use with pumps drawing up to 20 amps.
