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. Designed for pumps drawing up to 14 Amps. Now includes a 2 year warranty.
WARNING: This product can expose you to chemicals including STYRENE which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.
Specifications:
- Volts: 12/24/36v
- Type: Switches
- Box Dimensions: 2″H x 5″W x 8″L WT: 0.4 lbs
- UPC: 042237095435
Owner’s Manual (pdf)
SKU:RUL-35A

![Johnson Pump 400 GPH 12V Bilge Pump - Barbed Port [JP-21405]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/johnson-pump-400-gph-12v-bilge-pump-barbed-port-jp-21405.webp)
![Rule 4000 Non-Automatic Bilge Pump - 24V [56D-24]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/rule-4000-non-automatic-bilge-pump-24v-56d-24.webp)

![Attwood Bilge Switch S3 Series - 12V [4801-7]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/attwood-bilge-switch-s3-series-12v-4801-7.webp)
![Rule Rule-Mate 2000 GPH Fully Automated Bilge Pump - 24V [RM2000A-24]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/rule-rule-mate-2000-gph-fully-automated-bilge-pump-24v-rm2000a-24.webp)
![Beckson Thirsty-Mate 24" Pump w/72" Flexible Reinforced Hose [124PF6]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/beckson-thirsty-mate-24-pump-w-72-flexible-reinforced-hose-124pf6.webp)
![Beckson Thirsty-Mate Pump 36" w/9' Flexible Reinforced Hose [136PF9]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/beckson-thirsty-mate-pump-36-w-9-flexible-reinforced-hose-136pf9.webp)
![Attwood WaterBuster Portable Pump - 200 GPH [4140-4]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/attwood-waterbuster-portable-pump-200-gph-4140-4.webp)