The 668793R is the official technical update for the 668793

Flexible Orientation: Can be mounted horizontally or vertically to fit tight piping configurations

the DMPR-RS312 is the official replacement part for the DMPR-RS202 and is designed to fit the same bracketry and linkage systems

reducing slippage and heat buildup

Lennox 71M28 Control Board R-410A The 668793R is the officialThe 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