this centrifugal blower is responsible for pulling combustion gases through the heat exchanger and venting them safely out of the flue

The HN53CD115 is the current production standard

While it follows 2-inch Aeroquip standards

Common Questions Is the HK42FZ011 compatible with variable speed motors

the switch triggers an immediate system shutdown to prevent hazardous conditions such as incomplete combustion or carbon monoxide accumulation

Century Motors C658ES Motor 320788-702 this centrifugal blower is responsibleThe Century Motors C658ES is a high performance, single phase general purpose motor designed for demanding industrial and HVACR applications. As the direct replacement for Century C658, this 3 4 HP unit features a NEMA 56 frame with an Open Dripproof (ODP) enclosure, making it an ideal choice for belt drive fans, blowers, and pumps where moisture is not a direct threat. Operating at a synchronous speed of 1725 RPM, the C658ES is engineered for