Lennox 58W08 Header Box 322838-754 The Belimo LF120 is a

The Belimo LF120 is a specialized spring-return actuator engineered for on/off control in commercial HVAC systems

eliminating the need for external vent piping in most jurisdictions

Robust construction designed for commercial and residential furnace applications

Proper installation requires careful calibration of the pressure switch to ensure the burner only fires when adequate airflow is confirmed

utilizing the 74T11-310710 therm-o-disc style for consistent thermal response

Lennox 58W08 Header Box 322838-754 The Belimo LF120 is aThe Lennox 58W08 is a critical OEM replacement part designed specifically for the secondary heat exchanger assembly in high efficiency furnaces. This plastic header boxoften referred to as a collector box or cold end header boxserves as the moisture collecting transition point between the secondary heat exchanger coils and the condensate drain system. Engineered with high grade, corrosion resistant polyethylene construction, it is built to withstand