Description
The A.J. Antunes 804111705 is a genuine OEM high and low gas pressure safety switch designed for demanding commercial and industrial applications where reliable gas pressure monitoring and fault protection are essential. This HLGP-A model features dual pressure ranges — 5″ to 28″ water column (WC) for high gas pressure and 2″ to 14″ WC for low gas pressure — making it a versatile and effective safety control for gas trains, burners, boilers, and HVAC combustion systems.
Key Features
- Dual Pressure Ranges: High 5″–28″ WC and low 2″–14″ WC for comprehensive safety monitoring.
- Switch Type: 2-SPDT (Double-Pole Double-Throw) for reliable electrical control logic.
- Manual Reset: Ensures the system requires a deliberate reset after a pressure fault.
- Standard Fittings: 3/8″ NPT high and 1/8″ NPT low inlet connections with 1/8″ NPT vent.
- Rugged metallic housing built for industrial environments.







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