Lennox 56K85 Control Board 322838-752 Features SPNO close on fall

Features SPNO close on fall logic for precise safety interlock functionality

Always verify your contactor and wire sizing against these technical specs

streamlining the user interface for applications where airflow is managed at the system level

optimizing heat transfer and reducing energy consumption

part of the respected Gold Ring Series

Lennox 56K85 Control Board 322838-752 Features SPNO close on fallThe Lennox 56K85 is a critical Integrated Modular Control (IMC) board designed specifically for managing the secondary gas valve in multi stage heating systems. This OEM Lennox replacement board (part number 56K85) serves as the Gas Vlv #2 control module, ensuring precise sequencing and timing for combustion cycles in heavy duty commercial rooftop units and high capacity furnaces. Built to withstand the thermal stresses of the cabinet environment, the