Marine Plumbing & Ventilation

Rule 500"STC" Series Tournament Series™Straight Inlet Thru-Hull FittingThis new pump is built on Rule's unsurpassed quality and leadership in pump design and technology. The innovatic design includes many new and exciting features including a...

Rule 1100"STC" Series Tournament Series™Straight Inlet Thru-Hull FittingThis new pump is built on Rule's unsurpassed quality and leadership in pump design and technology. The innovatic design includes many new and exciting features including a...

Rule 800"STC" Series Tournament Series™Straight Inlet Thru-Hull FittingThis new pump is built on Rule's unsurpassed quality and leadership in pump design and technology. The innovatic design includes many new and exciting features including a...

SuperSwitch™ Float Switchw/ Fuse HolderNow backed by a 5 year warranty, the non-mercury SuperSwitch is designed for the toughest applications. Design includes marine grade 14 gauge blocked wire, larger float for increased buoyancy, removable base...

SuperSwitch™ Float SwitchNow backed by a 5 year warranty, the non-mercury SuperSwitch is designed for the toughest applications. Design includes marine grade 14 gauge blocked wire, larger float for increased buoyancy, removable base for easy...

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...

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...