Reznor 220783 Venter Assy R-22 This HVAC discharge air sensor

This HVAC discharge air sensor features a Negative Temperature Coefficient (NTC) curve

making it a critical component for commercial heaters

check the N2 bus polarity and the physical address switches on the board

Simplified Serviceability: Designed as an OEM furnace limit switch

Adjustments are made via the internal range and differential screws

Reznor 220783 Venter Assy R-22 This HVAC discharge air sensorThe Reznor 220783 Venter Assy is a direct OEM replacement 208 230v draft inducer motor designed for high efficiency commercial heating units. Engineered to manage optimal combustion airflow, this centrifugal blower motor ensures proper venting of flue gases, preventing short cycling and pressure switch faults. As a critical component for Reznor unit heater repair, the assembly features a durable housing and a precision balanced impeller to minimize