56L8401 | White-Rodgers Lennox SureLight Furnace Control Circuit Board 24V Circuit Breaker Safety Functions: Built-in Safe Torque-Off

Safety Functions: Built-in Safe Torque-Off (STO) and Safe Stop 1 (SS1)

dependable operation

High Availability: Supports Stateful Switchover (SSO) and redundant power supplies for minimal downtime

Extensive Connection Capacity: Supports up to 512 TCP connections for large

Condition New/Never Used Surplus Brand Cincinnati Milacron Category HMI (Human Machine Interfaces) Part Number 3-424-2273A Subcategory HMI Operator Interfaces Series CAMAC 486 Display Type Color VT-H-L Display Control Method Pushbutton Controls Display Color Color Application Industrial Machine Monitoring and Control Dimensions 17

56L8401 | White-Rodgers Lennox SureLight Furnace Control Circuit Board 24V Circuit Breaker Safety Functions: Built-in Safe Torque-OffDescription The White Rodgers 56L8401 Furnace Control Circuit Board is an integrated ignition and control module designed for Lennox SureLight furnace systems. Operating on 24V control power, it manages ignition sequencing, safety monitoring, and furnace operation logic. The 56L8401 serves as a reliable replacement control board for restoring proper furnace functionality. Technical Specifications Condition New Never Used Surplus Brand White Rodgers