Cleveland Controls air flow pressure sensing switches perform electrical switching action at low positive, negative or differential pressures. Fixed and adjustable set point models up to 12″ wc are available. Numerous features, options, and accessories, both standard and custom, are available for air flow and air pressure proving applications. In addition, we provide the instrumentation necessary to install, calibrate, test, and maintain our sensing switches. HVAC, Energy Management, Food Service, Comfort and Recreation, and Facility Management are a few of the industries served by Cleveland Controls sensing switches.