The Wayne Combustion 63963-001-35-605953-221 Ignition Board is a replacement control component designed for Wayne combustion systems and compatible HVAC heating equipment. It manages the ignition sequence by controlling the electrical signals required to initiate and maintain burner operation. The board coordinates ignition components to support reliable startup and consistent heating... https://www.partshnc.com/63963-001-wayne-combustion-35-605953-221-ignition-board