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Bard 8406-090 - .30 in. W.C. Pressure Switch
Bard part number 8406-090 is an OEM .30 in. water column pressure switch that helps your Bard wall mounted air conditioner verify proper airflow and draft before allowing key functions to run. This switch is designed to open on a falling pressure condition at 0.30 in. W.C. (plus or minus 0.03), making it a common safety and proving device in Bard HVAC equipment where pressure must be monitored to prevent nuisance trips and protect the system. When you are troubleshooting intermittent lockouts, venting or airflow faults, or a unit that will not complete its start sequence, replacing a weak or stuck pressure switch with the correct Bard OEM 8406-090 helps restore reliable operation and correct setpoint performance; always confirm tubing condition, port cleanliness, and the exact pressure rating match to your unit model before ordering.
- Technical Specifications
- Product number: 8406-090
- Manufacturer description: .30" +/- .03" Press Switch Open On Fall
- HTS Code: "8415.90.8085"
$18.00 *
* Orders less than $50 may incure a minimum order fee.