Marine Plumbing & Ventilation

Stainless Steel Debris StrainerExtra measure of protection for use on round based Rule pumps up to 3700 GPH (14010 LPH). Installs directly into existing strainer. Filters out excess debris and helps prevent jamming and failure.WARNING: This product can...

Rule-A-Matic® Float Switchw/ Fuse HolderYear 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...

Rule-A-Matic® Float SwitchYear 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...

Rule-A-Matic® Plus™ Float SwitchSleek and rugged, the Rule-A-Matic Plus float switch has a strong, fully integrated, impact resistant cover, which protects against debris and jamming. 14 gauge highly abrasive resistant marine grade wire, and a...

Rule 3700Heavy duty construction for both commercial and pleasure boat use; known for trouble free operation and reliability. 1-1/2" (38mm) discharge outlet. 12 Volts DC unless noted.Features:Fully SubmersibleEasy clean snap lock strainerSilent and...

General Purpose Centrifugal PumpEnd Suction Centrifugal PumpThe Rule General Purpose Pump is designed for use as a washdown pump and/or to circulate water to your livewell tank(s). Heavy duty construction for use on commercial or pleasure boats. 1-1/2"...

Rule 3700Heavy duty construction for both commercial and pleasure boat use; known for trouble free operation and reliability. 1-1/2" (38mm) discharge outlet. 12 Volts DC unless noted.Features:Fully SubmersibleEasy clean snap lock strainerSilent and...

Rule 2000Engineered to commercial standards. The Rule 2000 is the best selling high capacity submersible bilge pump in the world. 1-1/8" (28.6mm) discharge outlet. 12 Volts DC unless noted.Features:Fully SubmersibleEasy clean snap lock strainerSilent...

Rule 2000Engineered to commercial standards. The Rule 2000 is the best selling high capacity submersible bilge pump in the world. 1-1/8" (28.6mm) discharge outlet. 12 Volts DC unless noted.Features:Computerized operation - no float switch requiredFully...

Rule 2000Engineered to commercial standards. The Rule 2000 is the best selling high capacity submersible bilge pump in the world. 1-1/8" (28.6mm) discharge outlet. 12 Volts DC unless noted.Features:Fully SubmersibleEasy clean triple stage snap lock...

Rule 1500High pumping capacity and reliability at a lower cost. The Rule 1500 offers more pumping capacity and more exclusive design features than any comparable competitive pump. 1-1/8" (28.6mm) discharge outlet. 12 Volts DC unless noted.Features:Fully...

1500 G.P.H. Automatic Bilge PumpHigh pumping capacity and reliability at a lower cost. The Rule 1500 offers more pumping capacity and more exclusive design features than any comparable competitive pump. 1-1/8" (28.6mm) discharge outlet. 12 Volts DC...