The 1-3/16" bore must match the motor shaft exactly

ensuring optimal airflow across the evaporator coil for efficient heat transfer

Can I use this for R-22 to R-410A retrofits

Designed for industrial and commercial hydronic control

The Lennox 36M22 Blower Wheel is a high-performance 12" x 10 1/2" CW 1/2" Bore Wheel engineered for precise airflow in 12-inch residential and light commercial air handlers

McDonnell & Miller 2 Switch Refrigerant The 1-3/16" bore must matchThe McDonnell & Miller 110000 (Model No. 2) is a high performance, single pole double throw (SPDT) auto reset general purpose switch engineered for field replacement and system upgrades. Designed to operate on 120Vac 240Vac circuits, this versatile component is the standard for adding low water cut off (LWCO) functionality or integrated alarm signaling to existing mechanical feeders. Technically robust, it features an electrical rating of 10. 2A at