Description
The A.J. Antunes 804112102 is a genuine OEM high/low gas pressure switch engineered for commercial HVAC systems, industrial burners, ovens, boilers, and gas-fired equipment demanding reliable and accurate pressure monitoring. Designed as part of Antunes’ RHLGP-A series, this dual-range pressure switch automatically monitors both high gas pressure (5″–28″ WC) and low gas pressure (1″–6″ WC), and safely interrupts the electrical control circuit when pressure conditions fall outside safe operating ranges — helping protect equipment from unsafe pressure events and improve overall system safety and efficiency.
Key Features
- Pressure Range: 5″–28″ WC (High) / 1″–6″ WC (Low) — precise dual-range sensing
- Switch Type: 2-SPDT for reliable control logic integration
- Automatic Reset: Automatically re-engages when pressure normalizes
- Standard Fittings: 3/8″ NPT high, 1/8″ NPT low, and 1/8″ NPT vent
- Durable Construction: Built to withstand demanding commercial and industrial environments







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