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SMD – Air Pressure Switches
Compact, reliable, and highly sensitive, the SMD Air Pressure Switches are designed to monitor positive, vacuum, or differential air pressure with exceptional accuracy. Constructed from durable sheet metal, these versatile switches are easy to install and well-suited for a wide range of HVAC and OEM applications.
Each unit features a responsive diaphragm and a snap-action SPDT switch rated at 10 amps, ensuring fast, dependable operation. With models available in pressure ranges from 0.17″ to 12″ W.C., the SMD series offers flexibility and precision. Custom designs are also available to meet specific OEM requirements—all at an economical price point.
