
Float Balls with Custom Threads & Fittings
- Any thread spec tapped to custom fit
- Through tube fits 3/8" to 3/4" rods
- Pressure-tested 304ss & 316ss floats
ISO 9001 Quality Management
20+ Years Manufacturing Excellence
Stainless steel round float balls for sump pump applications, offering precise liquid level detection and pump activation control. Available in sizes from 1-1/2" to 14", with custom threads, fittings, and magnet integration. Pressure-tested and fully customizable in 304ss or 316ss for reliable, long-term performance.






Yes, you can replace just the float on your sump pump without replacing the entire unit. Stainless steel round float balls are available in a range of sizes from 1-1/2" to 14" and can be fitted with custom threads or fittings to match your existing pump hardware, making direct replacement straightforward and cost-effective.
Talk to our experts for custom solutions and tailored guidance.

Round float balls activate and deactivate sump pumps by detecting rising liquid levels in pits and basins.

Float balls monitor liquid levels in treatment tanks, triggering pump cycles to manage wastewater flow accurately.

Stainless steel float balls monitor liquid levels in tanks and vats containing oils, syrups, and processing liquids.

316ss float balls safely monitor corrosive liquid levels in chemical storage and process control tanks.
Talk to our experts for custom solutions and tailored guidance.
With over two decades of manufacturing experience, we deliver float balls engineered to exact specifications for demanding sump pump and industrial applications.
Every float ball can be tailored with custom threads, fittings, magnets, or through-tube options to integrate seamlessly into your existing sump pump system.
Our stainless steel float balls are pressure-tested for reliability and ship worldwide directly from our facility, ensuring fast turnaround and consistent quality.
Submit your specs and our team will respond promptly with pricing, lead times, and custom configuration options tailored to your system.
For immediate assistance, feel free to give us a direct call at (416) 805-8132. You can also send us a quick email at richard@castingtechnologies.com.
For immediate assistance, feel free to give us a direct call at (416) 805-8132. You can also send us a quick email at richard@castingtechnologies.com.