Description
The DUNGS 266932 air pressure switch is designed to monitor low‑pressure airflow conditions in HVAC, combustion, and gas safety systems. With an adjustable sensing range of 0.16 to 1.2 inches water column (WC) and a single‑pole double‑throw (SPDT) contact output, this switch helps verify proper airflow before system operation. Built with a rugged NEMA 4 enclosure for protection against dust and water, it features a 1/4″ NPT positive port and a 1/8″ NPT negative port for versatile pressure line connections and accurate measurement.
Key Features:
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Air pressure switch with adjustable 0.16–1.2″ WC sensing range
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SPDT contact output for reliable signal control
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NEMA 4 enclosure for dust and water protection
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1/4″ NPT positive port and 1/8″ NPT negative port for flexible pressure connections
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Designed for HVAC, combustion, and gas safety airflow monitoring
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Auto‑reset design for continuous operation
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