Hide Show Description52M46 is an official OEM Control Board for Lennox HVAC equipment.Lennox Armstrong Ducane Control Board.52M46R20470502B00FQHU6H4Armstrong AirLennoxAllied AirALLIEDDucaneConcord AirAIREASEMagicpakAllied Air EnterprisesConcordHeatcraft Refrigeration ProductsHEATCRAFTBohn Customer Reviews Hide Show Write a Review