How do I verify if I need the B6747 or the C3522-811

It features a maximum working pressure (MWP) of 406 psig and a Cv value of 0

The Lennox 17F50 Cold End Header Box Kit is a critical OEM replacement part designed for high-efficiency 90% AFUE and above condensing gas furnaces

Quiet Operation: Precision-balanced internals reduce vibration and audible decibel levels within the ductwork

It requires a compatible control signal from the furnace or air handler control board

Bard 8620-209 Motor 326058-758 How do I verify ifThe Bard 8620 209 is a high performance 460v 1ph blower motor engineered for specific integration with Bard wall mount heat pumps and air conditioning units. Operating at 1 2 HP with a rated speed of 1075 RPM, this PSC (Permanent Split Capacitor) motor provides the necessary torque to maintain static pressure requirements in demanding commercial and industrial environments. Designed for durability and electrical efficiency, this OEM replacement motor