Lennox 71M28 Control Board R-410A Regular replacement is critical to

Regular replacement is critical to prevent carbon saturation

a critical tool for commissioning and troubleshooting leaky systems

making it suitable for demanding environments like car washes

this specific assembly is optimized for natural gas spark pilot applications

Key Benefits Enhanced High Close-Off Performance: Engineered for applications requiring superior shut-off force

Lennox 71M28 Control Board R-410A Regular replacement is critical toThe Lennox 71M28 Control Board is a genuine OEM replacement kit (MCC1 1) designed for critical system management in Lennox, Armstrong, and AirEase packaged units. Also identified by part number 71M2801 and older designations like LB 106199A or 56M99, this integrated furnace control directs essential operations including ignition sequence, blower motor timing, and continuous safety circuit monitoring. Engineered for 120V AC applications, it is a direct