Your Instrumentation Specialists

Float Switches

Ross brown Sales has been representing SJE Rhombus for decades. SJE Rhombus has been a global leader in the water & wastewater industry for over 40 years. We have products for a range of applications, including residential, commercial, municipal, industrial and agricultural. Our products are engineered and tested to be reliable, easy-to-use and high quality. Whether you’re looking for pump control panels, alarm systems, level monitoring solutions, float switches or more, our range of SJE Rhombus products has a solution for all your needs.

What's New



The new Thermapen 1 is the ultimate kitchen thermometer for the cook who knows!

  • Instant 1 second response time
  • Waterproof to IP67
  • Auto intelligent backlight
  • Biomaster Antimicrobial Technology
  • Easy to read rotating display
  • British designed and manufactured
  • 5-year guarantee
Ross Brown Sales 40 years NATA accreditation

Enquire for Pricing

We’re sorry, but it seems that the product you are trying to purchase cannot be processed at this time due to an invalid price. We apologize for any inconvenience this may have caused. Please contact our customer support team for further assistance. Thank you for your understanding.

Please note the Product Number and your account when contacting support.