Description
The Reznor 203932 High Altitude Pressure Switch is a genuine OEM replacement part that helps ensure safe and efficient operation of your Reznor gas-fired heaters and HVAC equipment. This precision pressure switch monitors low-pressure conditions and engages or disengages system controls based on a set threshold, helping protect against unsafe pressure levels and support consistent combustion performance.
Key Features
- Genuine OEM Component – Designed to meet Reznor’s original equipment specifications for reliable compatibility and service life.
- .25 "WC Operating Pressure – Calibrated for low-pressure sensing at approximately 0.25 inches water column, ideal for airflow and safety control functions.
- SPDT Switch Design – Single Pole Double Throw configuration enables control of circuits based on pressure conditions, enhancing flexibility and system responsiveness.
- Durable Construction – Built to withstand the demanding environments found in commercial and industrial HVAC systems.
- Direct Replacement Part – Easy swap-in for worn or failed pressure switches, simplifying maintenance and reducing downtime.






