Manufacturer Name: Lennox Product Number: 63W27 OEM Part Number: 63W27 Product Description: 2 Stage Ignition Control Weight:1.19lbs/539.77g The Lennox 63W27 2-Stage Ignition Control Board is used in Lennox HVAC systems that are meant for two-stage ignition. It is responsible for the controlled ignition process in two phases. #63W27 #Lennox #Lennoxparts #PartsHnC #PartsHnCBuz... https://www.partshnc.com/2-stage-ignition-control