Hide Show Description23L53 is an official OEM Ignition Board for Lennox HVAC equipment.1097-504-I23L53B00FQHRLEKArmstrong AirLennoxAllied AirALLIEDDucaneConcord AirAIREASEMagicpakAllied Air EnterprisesConcordHeatcraft Refrigeration ProductsHEATCRAFTBohn Customer Reviews Hide Show Write a Review