ISO 9001 Quality Management certified

ISO 9001 Quality Management

20+ Years Manufacturing Excellence certified

20+ Years Manufacturing Excellence

Sump Pump Round Float Switches

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.

Float Balls with Custom Threads & Fittings
Round Stainless Steel Float Balls
Float Balls with Magnets

Our Range of Products

Float Balls with Custom Threads & Fittings

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
Round Stainless Steel Float Balls

Round Stainless Steel Float Balls

  • 12 round sizes from 1-1/2" to 14"
  • Any thread spec: NPT, UNC & more
  • 304ss & 316ss, ships worldwide fast
Float Balls with Magnets

Float Balls with Magnets

  • Custom magnets for precise level detection
  • 304ss & 316ss pressure-tested construction
  • Sizes from 1-1/2" to 14" round balls

Frequently Asked Questions

Can I replace just the float on my sump pump?

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.

Should sump pump float be normally open or closed?

What sizes of round float balls are available for sump pumps?

What material is best for sump pump float balls?

Can float balls be fitted with custom threads for sump pump systems?

Do stainless steel float balls work in wastewater or chemical sump applications?

How do I order a custom float ball for my sump pump?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Sump Pump Systems

Sump Pump Systems

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

Wastewater Management

Wastewater Management

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

Food Processing

Food Processing

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

Chemical Manufacturing

Chemical Manufacturing

316ss float balls safely monitor corrosive liquid levels in chemical storage and process control tanks.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Why Sump Pump & Industrial Engineers Choose Stainless Steel Float Ball Company

20+ Years of Float Ball Expertise

With over two decades of manufacturing experience, we deliver float balls engineered to exact specifications for demanding sump pump and industrial applications.

Fully Custom Configurations

Every float ball can be tailored with custom threads, fittings, magnets, or through-tube options to integrate seamlessly into your existing sump pump system.

Pressure-Tested & Ready to Ship

Our stainless steel float balls are pressure-tested for reliability and ship worldwide directly from our facility, ensuring fast turnaround and consistent quality.

Get a Quote for Custom Sump Pump Float Balls

Submit your specs and our team will respond promptly with pricing, lead times, and custom configuration options tailored to your system.

Contact Us Today

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.