Resideo ZD18X14TZ Damper 321702-401 3-inch frame and CCWSE rotation

3-inch frame and CCWSE rotation

Key Benefits Enhanced Start Torque: Integrated HST motor tackles high-pressure differentials across the expansion valve during startup

check the 120V power supply or press the manual reset on the thermal switch before testing the thermopile voltage

Can this part replace a Honeywell L4064 series control

Does this part fit other Allied Air brands

Resideo ZD18X14TZ Damper 321702-401 3-inch frame and CCWSE rotationThe Resideo ZD18X14TZ is a professional grade 18x14 parallel blade zone damper engineered for high static pressure applications in residential and light commercial forced air systems. This power closed spring return open model features a high torque 24Vac synchronous motor mounted on the 14 inch side, ensuring reliable two position airflow control. The parallel blade orientation provides low flow resistance when fully open, minimizing pressure drop