OEM Replacement Pad

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

common issues include a clogged collector box port

When the liquid touches the probe

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

Reznor 203932 Pressure Switch Els PW 17895 OEM Replacement PadThe 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