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Bard S8403-096 - CO2 Sensor with Relay
Bard part S8403-096 is an OEM CO2 controller and sensor assembly with an onboard relay used for demand-controlled ventilation on compatible Bard wall-mount HVAC equipment. It monitors indoor carbon dioxide levels over a 0 to 2000 ppm range and provides a normally open SPST relay output that closes on a rising CO2 level, allowing the unit or ventilation controls to increase fresh air when occupancy loads climb. This control is a practical replacement when a Bard system is not responding correctly to CO2-driven ventilation commands, and using the correct OEM part helps ensure proper setpoint control and reliable operation within the Bard control scheme. Confirm compatibility by model and revision in the Bard unit documentation before ordering, since CO2 control options and wiring requirements can vary by application.
- Technical Specifications
- Product number: S8403-096
- Manufacturer description:
- HTS Code: "9032.89.6015"
- Previous Versions
- 8403-096 (Obsolete, superseded by S8403-096)