This 40 SCFM model is the direct replacement for the large-capacity housings in the A-4000 series

Technicians rely on this specific 903950D assembly to restore factory-standard static pressure and airflow across the air handler

Its precise thermal protection makes it a staple for contractors maintaining Modine Hot Dawg and industrial heating systems

and light oil across a pressure range of 5-150 PSI (up to 100 PSI for oil)

ClimateMaster S14S0017N10 Motor 328140-751 This 40 SCFM model isThe ClimateMaster S14S0017N10 is a high efficiency ECM blower motor with integrated controller, specifically engineered as a factory programmed OEM replacement for ClimateMaster geothermal and water source heat pump units. This variable speed blower motor assembly utilizes advanced Electronically Commutated Motor technology to optimize airflow while significantly reducing energy consumption compared to standard PSC motors. The integrated S14S0017N10