The York S1-024-35261-000 Pressure Switch is a critical safety component designed for precise monitoring of combustion air and exhaust gas flow within high-efficiency HVAC systems

ensuring seamless integration with existing housing

or persistent pressure switch failed to close codes

extending the service life of both the motor and the HVAC cabinet

and 90 motors

Bard HVAC 8406-078 Pressure Switch The York S1-024-35261-000 Pressure SwitchThe Bard HVAC 8406 078 Pressure Switch is a critical safety and operational component engineered for Bard wall mount units and packaged HVAC systems. As a genuine OEM Bard replacement part, this switch is calibrated to a precise 0. 38" Water Column (WC) set point, ensuring it accurately monitors static pressure and airflow conditions. In high demand HVAC mechanical services, maintaining the correct pressure switch for air handlers is essential to