H3A-2ST | ExpPrf PessSw .5-15# SPDT CSA | Dwyer Instruments

The Dwyer Instruments H3A-2ST differential pressure switch provides precise monitoring and control of air or non-combustible gas pressure. Engineered with a pressure range of 0.5 to 15 inches of water column, it features a single-pole, double-throw (SPDT) switch, ideal for a wide range of industrial applications. Its durable construction and compact design make it reliable and space-efficient, while the CSA certification ensures its compliance with safety standards. The H3A-2ST is widely used in HVAC systems, cleanrooms, and other industrial settings where precise pressure control is essential. Our HVAC supply store offers the best prices and fast shipping for your industrial supply needs. Shop now!