Manufacturer Name: Lennox Product Number: 33W13 OEM Part Number: 33W13 Product Description: 1Hp 1050Rpm 120/240V Ecm Mtr Weight:18.47lbs/8377.84g The Lennox 33W13 ECM Motor is a replacement part that is intended to provide the better airflow for light commercial and residential Lennox HVAC applications, generally furnaces and air handlers.It gets instructions from your thermost... https://www.partshnc.com/1hp-1050rpm-120240v-ecm-mtr