Description
The A.J. Antunes 804111708 is a premium OEM high and low gas pressure switch designed for commercial HVAC systems, industrial burners, ovens, boilers, and gas-fired equipment that require precise pressure monitoring and reliable safety protection. This HLGP-A model combines dual pressure sensing with a manual reset mechanism and robust electrical contacts to ensure safe operation across a wide pressure range.
Key Features
- High gas pressure detection: 10″–50″ water column (WC)
- Low gas pressure monitoring: 6″–24″ WC
- Manual Reset: Ensures intentional restart after any pressure fault
- 2-SPDT (Double Pole Double Throw) contacts: Reliable switch performance in control circuits
- Standard NPT connections: 3/8″ NPT high pressure, 1/8″ NPT low pressure, and 1/8″ NPT vent ports for easy installation and OEM replacement compatibility.







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