Lennox 19S83 Control Board 30067439-890 5" footprint minimize labor time

5" footprint minimize labor time on high-efficiency furnace repairs

Reliable Data Retention: Integrated permanent memory backup ensures all configuration settings remain intact during power outages

The hub allows you to thread the transformer directly into a 1/2" knockout on a junction box

but internal cracks in the ceramic often require a full Fenwal 22-100001-050 replacement

Durable Engineering: Features permanently lubricated motors and oil-impregnated gear-train components for maintenance-free operation

Lennox 19S83 Control Board 30067439-890 5" footprint minimize labor timeThe Lennox 19S83 Control Board is a high performance BCC3 Fan Control Board designed for professional HVAC application in Lennox G20, G23, and G26 series units. As a veteran grade HVAC blower control replacement, the 19S83 is engineered to manage critical timing for blower motor operation, ensuring precise fan speed regulation across both heating and cooling cycles. This OEM Lennox part functions as a versatile HVAC circuit board, featuring built in