the blower fan runs continuously despite no heat demand

Confirm that your motor shaft is 1/2 inch in diameter and that your existing blade is 20 inches

Safety Integration: Functions as a primary safety control to prevent air discharge outside of regulated temperature parameters

providing stable liquid flow control even during fluctuating load conditions

also identified in technical catalogs as the Watts KSTEM-12

Carrier 326058-756 Inducer Assembly 320788-702 the blower fan runs continuouslyThe Carrier 326058 756 Inducer Assembly is a factory authorized OEM replacement part engineered for specific Carrier, Bryant, and Payne residential gas furnaces. As a veteran technician knows, the draft inducer motor is the first component to engage in the heating cycle, essential for purging the heat exchanger and establishing the negative pressure required to close the furnace pressure switch. This 115V, 60Hz 2 stage inducer motor features a high