5" wc regulator with a 1/2 PSI pressure rating

preventing damage from repeated freeze-thaw cycles

As a heavy industrial component

Technicians should verify 921482 compatibility with specific model series to maintain factory-spec pressure drops and drainage efficiency

York S1-324-36074-439 Blower Motor 321894-708 5" wc regulator with aThe York S1 324 36074 439 Blower Motor is a high performance 3 4HP ECM blower motor engineered for precise airflow management in residential and commercial York HVAC systems. Designed to replace aging or failed units in equipment like the York BBUP F036A, this electronically commutated motor provides the constant torque and variable speed capabilities necessary to maintain critical static pressure balance. As a programmed ECM motor, it integrates