Description
The A.J. Antunes 803112504 is a premium OEM low gas pressure switch designed for robust performance and dependable safety control in commercial HVAC, gas-fired furnaces, industrial ovens, and burner systems. Calibrated for a pressure range of 10″ to 50″ water column (W.C.), this switch monitors gas pressure levels and activates a manual-reset control to help protect equipment and personnel from unsafe gas pressure conditions.
Key Features
- Pressure Range: 10″–50″ water column — suitable for mid-range gas pressure applications.
- Manual Reset: Ensures deliberate restart after a pressure fault event for added safety.
- SPDT Contacts: Provides reliable switching to safety/control circuits.
- Standard NPT Connections: 1/4″ inlet and 1/8″ vent simplify installation with existing gas piping.
- Durable Construction: Engineered for demanding industrial and commercial environments.






