Description
The A.J. Antunes 804114203 HLGP‑D is a genuine OEM high and low gas pressure switch engineered for precision gas pressure monitoring and reliable safety control in commercial HVAC systems, industrial burners, boilers, and gas‑fired combustion equipment. Designed to meet demanding safety standards, this dual‑range switch is ideal for applications where accurate detection of both excessive and insufficient gas pressure is critical to system safety and performance.
Key Features
- Dual Pressure Range: High and low gas pressure sensing 10″–50″ WC — suited for broad operating conditions.
- Manual Reset: Manual reset prevents automatic re‑engagement after a pressure trip, improving safety control.
- 2‑DPDT Switch Contacts: Dual double‑pole, double‑throw contacts support dependable control circuit switching.
- Standard Fittings: 3/8″ NPT high pressure, 1/8″ NPT low pressure, and 1/8″ NPT vent connections for straightforward installation.
- Rugged Construction: Built to withstand commercial and industrial operating environments with robust internal switch mechanisms.







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