OEM IFC BOARD REPLACEMENT KIT

The 21D83M-843 is an exact replacement for Lennox / Allied IFC board # 83M00. This board controls gas valve, ignitor, blower, inducer, humidifier and air cleaner. Includes diagnostic indicator flash codes, 3 fan speeds, and remote flame sense. The board provides 15 second pre-purge, 45 second heat on delay, 4 selectable heat off delays, cooling on delay with cooling off delay, and, auto reset after 60 minutes.