As a direct factory replacement for discontinued part numbers 265-42034-00 and 219-40360-00

look to the QFM3160 or QFM3171 series

converting sensor data into precise operational signals for compressors and fan motors

Moving the sheave discs closer increases the pitch diameter and driven speed

The unit includes the integrated pin connections required for the existing harness on F50 and F58 models

Resideo ZD10X20TZ Damper 328140-751 As a direct factory replacementProfessional grade zoning requires reliability, and the Resideo ZD10X20TZ delivers with a heavy duty parallel blade zone damper design. Engineered for high performance HVAC zoning systems, this 20 inch by 10 inch rectangular unit features a 24Vac synchronous motor mounted on the 20 inch side for streamlined installation. The power closed spring return open configuration ensures a fail safe normally open state, maintaining airflow if power is lost.