Hide Show DescriptionThis is an official OEM Expansion Valve for Lennox HVAC equipment.1000679-3964W50Armstrong AirLennoxAllied AirALLIEDDucaneConcord AirAIREASEMagicpakAllied Air EnterprisesConcordHeatcraft Refrigeration ProductsHEATCRAFTBohn Customer Reviews Hide Show Write a Review