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

or the switch failing to close due to a ruptured diaphragm or moisture buildup

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

When the liquid touches the probe

Technicians benefit from standard terminal designations (RC

Reznor 203932 Pressure Switch Els PW 17895 Using this genuine Williams partThe 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