this factory-spec motor ensures the system operates within its original ASHRAE design parameters

Mid-Point Grounding: Increases safety and reduces electromagnetic interference within the burner control circuit

the 272708A and 272708A/U are the same technical part

Is this a 3-blade or 4-blade design

Trane BLW1139 Inducer Blower Els PW 17895 this factory-spec motor ensures theThe Trane BLW1139 Inducer Blower is a critical single stage draft inducer engineered for high efficiency furnace combustion systems. As the direct OEM replacement for BLW0861, this motor assembly ensures proper venting of flue gases by creating a steady vacuum within the heat exchanger. This Trane centrifugal blower is designed to meet strict furnace draft inducer specifications, maintaining the pressure switch closure required for the ignition