Description
The A.J. Antunes 804111704 is a genuine OEM high and low gas pressure switch engineered for reliable and robust safety monitoring in commercial HVAC systems, industrial burners, ovens, and other gas-fired equipment. This HLGP-A series pressure switch combines dual pressure sensing capability with manual reset control to help protect your systems from unsafe gas pressure conditions.
Key Features
- Dual Pressure Monitoring: High pressure range 2″–16″ water column (WC) and low pressure range 2″–14″ WC, providing versatile safety control across key operating conditions.
- Manual Reset Design: Manual reset ensures intentional restart of equipment after an over-pressure or under-pressure event, promoting added safety for commercial and industrial applications.
- DPDT Switch Contacts: Double-Pole, Double-Throw contacts support reliable control logic integration for gas safety circuits.
- Standard NPT Fittings: Equipped with a 3/8″ NPT high pressure connection, 1/8″ NPT low pressure connection, and 1/8″ NPT vent, this switch is easy to install and compatible with common gas control plumbing.
- Durable Construction: Built with rugged materials to withstand harsh environments found in commercial kitchens, HVAC systems, and industrial burners.







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