Description
The A.J. Antunes 804111709 is a genuine OEM high/low gas pressure switch designed for reliable safety monitoring and pressure control in commercial HVAC systems, industrial burners, ovens, gas-fired furnaces, and control panels. Engineered to detect both high and low gas pressure across broad ranges, this HLGP-A series switch helps protect equipment and systems by interrupting the control circuit if pressures fall below or rise above safe thresholds.
Key Features
- Dual Pressure Ranges: High 10–50″ WC and Low 10–50″ WC gas pressure monitoring.
- Manual Reset: Requires intentional reset after a fault, enhancing safety protocol.
- Switch Type: DPDT for dependable electrical safety control logic.
- Standard Fittings: Includes 3/8″ NPT high pressure inlet, 1/8″ NPT low pressure connection, and 1/8″ NPT vent for straightforward installation.
- Rugged Construction: Durable die-cast aluminum housing built for long service life in commercial/industrial applications.







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