Enhanced System Safety: Prevents furnace ignition during loss of airflow or venting malfunctions

outlet pressure to ensure precise fuel metering and combustion efficiency

Voltage Versatility: Designed to operate efficiently on 208-230v power supplies

the direct-coupled mounting uses a push-button release mechanism

this surge protection harness maximizes the uptime of sterilization modules

Trane SWT3073 Pressure Switch 322056-301 Enhanced System Safety: Prevents furnaceThe Trane SWT3073 Pressure Switch is an essential OEM replacement component for residential and light commercial gas fired furnaces. This SPDT (Single Pole Double Throw) air pressure switch is factory calibrated with a . 76" WC set point to monitor inducer motor airflow and verify appropriate negative pressure before allowing the ignition sequence to proceed. As a critical safety interlock, the Trane SWT03073 prevents unsafe operation by interrupting