Johnston INC Charlotte NC | Suppliers of quality water and wastewater treatment equipment and instrumentation, Serving North Carolina, South Carolina and Virginia

Johnston Inc. is proud to represent the following manufacturers. Links to the manufacturers' sites are provided.

Opti-Float™ Optical Flow Switches

Wetwell Level Sensors and Pump Controllers

KPSI Pressure and Level Transducers

"New addition to our sales force. Johnston, Inc. recently hired Tony Arnold to augment our sales force in North Carolina. Tony has an extensive background in water and wastewater: operating systems, working at the NC DENR for many years and a stint at the NC Rural Water Association. Expect to see Tony at your doorstep soon."
Johnston Inc.
""The Cox Research Opti-Float™ was recently tested to over 15 million operations. At that rate this float switch could last over 50 years in a typical application. The Opti-Float is inherently instrinsically safe, eliminating the need for troublesome safety barriers. Contact us for a free trial of this breakthrough technology.
Johnston Inc.
"Johnston, Inc. is now the exclusive representative for s::cam Measuring Systems, LLC a world class manufacturer of reagentless analyzers for municipal and industrial water and wastewater. s::can provides the lowest cost of ownership and reliable, low maintenance solutions."
Johnston Inc.