Lennox 58L69 Main Burner 320788-703 or a complete lack of

or a complete lack of power to the air handler or condenser despite proper incoming voltage

Use the on-board OFFSET and SPAN potentiometers

If your configuration requires a round shaft

The Honeywell 32151012 is engineered specifically for clean data transmission in commercial air-handling spaces

and PTP series heaters manufactured after May 2007

Lennox 58L69 Main Burner 320788-703 or a complete lack ofAs a field tested Lennox 58L69 main burner, this OEM replacement is a critical high grade component engineered for large scale heat exchange in high efficiency gas furnaces. This furnace burner assembly features a robust 5 tube construction, designed to ensure uniform flame distribution across the manifold for optimal combustion stability. Primarily utilized in the G23 and G40 series, it serves as a direct drop in for Lennox replacement part LB 94731D