the bracketry on the BM-8072 is specifically aligned for Hydrotherm boiler chassis

including cross-references for 3120A357 and 3120A3571

The Reznor 257461 is a 230V component

Always verify the wiring diagram of your specific control kit

Lennox 74W12 Motor 322838-753 the bracketry on the BM-8072The Lennox 74W12 Blower Motor is a high performance direct replacement motor engineered for residential and light commercial HVAC applications. This 1 5 HP 115V blower motor operates as a 4 speed furnace motor, providing the versatility required to tune airflow precisely to system static pressure requirements. As a PSC (Permanent Split Capacitor) motor, the 74W12 is designed for horizontal mounting in Lennox furnace blower assemblies and air handlers,