Enhanced Combustion Stability: The inshot design focuses the flame precisely into the heat exchanger

It provides a critical seal between the burner/blower assembly and the heat exchanger or on various flanged piping connections within the cabinet

Corrosion Mitigation: Acts as the primary defense against electrolysis

For 3-wire power open/power close requirements

the switch interrupts power to the gas valve to prevent heat exchanger damage or hazardous overheating

Lennox 33W12 Motor R-134A Enhanced Combustion Stability: The inshotThe Lennox 33W12 Blower Motor is a high efficiency ECM 3. 0 replacement designed for precision airflow control in Lennox furnaces and residential air handlers. Operating on a multi tap 120 240V single phase input, this 1 2 HP motor maintains a rated speed of 1060 RPM to ensure consistent static pressure management across varying ductwork configurations. As an OEM Lennox part, the 33W12 features advanced ECM 3. 0 technology, which utilizes an