Dwyer Instruments 1823-20 Low Differential Pressure Switch 3/22" WC

The Dwyer Instruments 1823-20 3/22 WC Low Differential Pressure Switch is a dependable and adaptable tool for measuring and managing air pressure in a variety of HVAC systems. This switch operates by measuring the pressure differential between two places and, in response to user-specified setpoints, initiating an electrical contact. With an adjustable range of 3 to 22 inches of water column, it can be used for a variety of tasks, such as making sure ductwork has enough airflow or checking filter performance in air handling systems. The 1823-20 switch, which is frequently found in air conditioners, furnaces, and ventilation systems. Because of its tiny size and sturdy construction, it can be easily installed in confined locations and still withstand harsh situations.