The Trane TRR1898 Transformer is a heavy-duty 208/230V to 24V step-down transformer designed for critical HVAC control circuit applications

Universal Compatibility: Operates on 24V AC/DC power supplies

the Lennox 24L51 serves as a direct-fit HVAC replacement part that ensures the inducer motor is moving sufficient combustion air before the ignition sequence begins

For unit sizes 30–105

Trane MOT19009 Motor 320734-701 The Trane TRR1898 Transformer isThe Trane MOT19009 Motor is a high performance HVAC replacement motor engineered for commercial and industrial air moving applications. Operating at 460V 1 Phase, this 3 4 HP motor maintains a steady 1040 RPM to ensure consistent static pressure and airflow regulation. Designed with a 48 frame size and Open Air Over (OAO) enclosure, it provides efficient thermal management during continuous operation. The CCWLE rotation (Counter Clockwise Lead End)