Description
The DUNGS 266911 air pressure switch is engineered to monitor airflow and pressure conditions in gas safety, combustion, and HVAC systems. With an adjustable sensing range of 0.4 to 4 inches water column (WC) and a single‑pole double‑throw (SPDT) contact output, this switch helps verify proper venting or airflow before system operation. Housed in a NEMA 4 enclosure for protection against water and dust, and equipped with a 5/32″ hose connection for easy installation, it ensures reliable and safe performance in demanding gas and ventilation applications.
Key Features:
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Adjustable air pressure switch with a 0.4–4″ WC sensing range
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SPDT contact output for dependable signal control
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NEMA 4 enclosure for protection against water and dust
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5/32″ hose connection for straightforward installation
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Designed for combustion, HVAC, and gas safety systems
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Auto‑reset design for continuous operation
