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Call us at 1-800-852-9984


Leader in Float Level Sensor Technology for OEM's

  • Custom liquid level sensors & float switches manufactured in 72 hours
  • 4-20 mA and 0-5 VDC continuous output level sensors manufactured in 72 hours
  • The best combination of High Quality, Low Cost liquid level sensors
  • Unwavering commitment to customer satisfaction

Float Level Switches & Liquid Level Sensors

FPI Sensors manufactures standard and custom float switches and liquid level sensors. Our capabilities include single and multi-level float sensors, side mount, leak detection, continuous measurement, field adjustable products and custom applications. We have the ability to modify standard products and to build completely custom float switches. Custom float switch orders are manufactured and shipped within 72 hours. If you need something we do not have on our site contact us as we can make any type of float switch you’re looking for.


Thanks for your quick response in shipping my float sensor order!  Linda E. Kansas City, KS

FPI sets the standard for how all of our vendors should act.  Jim S.  PA

Thank you FPI again for the great work on our level sensor order.  Doing business with you is so easy!  Brad, FL

I do not know how you guys make custom float sensors so quick, but it is much appreciated!  Rick P. IL

Thank you for your help with my liquid level sensor application!  You have a great group over there...I really appreciate everything you do for us!  Eileen G.  MD

Thank you for all the help!  Your company is the best!  Jimmy D.  NC

My customer said "perfect and the level sensor worked beautifully".  Thank you very much!  G.N.  WI