The A.J. Antunes 8021203090 is a factory original air differential pressure switch designed for reliable air pressure monitoring and control in HVAC, industrial, and mechanical systems. This adjustable switch responds to changes in air pressure between two points, making it ideal for airflow sensing, safety interlocks, and control logic in ductwork, blowers, fans, and filter systems.
Key Features
- Adjustable pressure sensing range from 0.17″ to 6″ water column (W.C.), covering a broad range of low pressure applications.
- SPDT (Single Pole Double Throw) switching action for dependable control circuit actuation when preset pressure thresholds are reached.
- Compact, durable design for installation in commercial and industrial equipment.
- Adjustable setpoint allows customization to specific control or safety requirements.
