check your service manual or contact our team with your coil's serial number to confirm exact fitment

When the liquid touches the probe

Technicians benefit from standard terminal designations (RC

Simplified Installation: Standard foot-mounting tabs and clear terminal markings reduce downtime during component replacement

Using this genuine Williams part ensures compatibility with existing motor mounts and blower wheels (such as the 115V or 240V configurations)

Reznor 203932 Pressure Switch Els PW 17895 check your service manual orThe Reznor 203932 High Altitude Pressure Switch is a critical safety component designed for precise airflow monitoring in gas fired unit heaters and HVAC systems. Engineered as a genuine Reznor OEM replacement part, this switch is factory calibrated to a . 25" WC set point, ensuring the inducer fan generates sufficient draft before permitting the ignition sequence. Featuring a Single Pole Double Throw (SPDT) configuration, it provides versatile