Designed for 3/4 inch NPT pipe threads

these valves are cast from high-grade polished bronze to ensure structural integrity and long-term corrosion resistance in harsh boiler room environments

While it is a 12-inch diameter blade

and air handling units

ensure your mounting surface is compatible with standard SMD bracket footprints

Armstrong Furnace R47583-001 Control Board Freon Designed for 3/4 inch NPTThe Armstrong Furnace R47583 001 Control Board is a genuine OEM 2 stage ignition control board engineered for high efficiency heating systems. Designed for reliability in demanding environments, this integrated furnace control manages the complex ignition sequence and multi stage firing rates required by Armstrong Air, AirEase, Ducane, and Lennox equipment. This board features advanced electronic circuitry to ensure precise flame sensing and timing,