Description
The A.J. Antunes 804112105 RHLGP-A is a genuine OEM automatic-reset high and low gas pressure switch engineered for precise and dependable pressure monitoring in commercial HVAC systems, industrial burners, boilers, furnaces, and other gas-fired equipment where safety control is essential. Designed with robust construction and dual sensing capability, this pressure switch helps protect systems from unsafe gas pressure fluctuations by automatically interrupting the electrical control circuit when pressures fall outside safe operating ranges.
Key Features
- Pressure Ranges: High 5″–28″ WC and Low 2″–14″ WC dual monitoring.
- Automatic Reset: Switch automatically re-engages when pressure returns to safe parameters.
- 2-SPDT Electrical Configuration: Reliable electrical switching for safety control circuits.
- Standard NPT Fittings: Includes 3/8″ NPT high pressure inlet, 1/8″ NPT low pressure, and 1/8″ NPT vent connections for easy installation and compatibility.
- Durable Design: Rugged housing built to withstand demanding commercial and industrial environments.







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