centrifugal impeller is precision-balanced to optimize flow rates and minimize noise

Exact OEM Replacement: Ensures full compatibility with York heating and cooling parts

this direct-coupled actuator is engineered to handle larger loads than its predecessor

providing the necessary versatility for diverse on-site electrical configurations

Tjernlund Products AS1 322027-701 centrifugal impeller is precision-balanced toThe Tjernlund AS1 AireShare Room to Room Ventilator is a professional grade air transfer fan designed to redistribute conditioned air across interior wall partitions. Engineered for hardwired 120 VAC applications, this unit effectively balances temperatures between rooms by utilizing the existing wall cavity. It is an essential solution for contractors looking to improve the efficiency of ductless mini split systems, wood stoves, or space heaters