Rule 360. The Rule 360 provides outstanding quality and value. It is economically priced and designed for small boats. 3/4 19mm discharge outlet. 12 Volts DC unless noted. Features Fully Submersible. Easy clean snap lock strainer. Silent and vibrationless operation. Anti-airlock protection. Compact, efficient long life motor. Ignition protected. No burn-out. Rule-A-Matic Float Switch. Year after year, the Rule-A-Matic has been the switch of choice for boaters the world over. Our latest design now includes a removable base for easy cleaning and servicing, a mercury free snap switch tested to over one million cycles and marine grade blocked wire. The Rule 360 provides outstanding quality and value. It is economically priced and designed for smal Silent and vibrationless operation. Anti-airlock protection No burn-out Rule-A-Matic Float Switch Year after year, the Rule-A-Matic has been the switch of choic