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Bard 8406-122 - Pressure Switch 0.52 in. WC
Bard part number 8406-122 is an OEM pressure switch set to open on a pressure fall at approximately 0.52 inches water column, helping the unit prove proper airflow or draft and protecting the system from running under unsafe pressure conditions. This switch is commonly used in Bard wall mounted HVAC equipment as a safety and control input, where accurate pressure sensing is required for reliable operation. When replacing a failed or drifting switch, using the correct Bard factory part helps maintain proper sequences of operation and reduces nuisance lockouts caused by incorrect setpoints or mismatched switch characteristics. Confirm the required setpoint and electrical configuration on your unit wiring diagram or parts list before ordering to ensure the correct fit and function for your specific model.
- Technical Specifications
- Product number: 8406-122
- Manufacturer description: .52"+/-.05" Press Switch Open On Fall
- HTS Code: "8415.90.8085"
$15.00 *
* Orders less than $50 may incure a minimum order fee.