The Baso Gas Products H15DA-4-3/4 Inch AutoPilot Valve is a gas control component designed for compatible gas-fired HVAC equipment, including furnaces, unit heaters, and boilers with automatic pilot ignition systems. It regulates gas flow to the pilot assembly and works with the ignition system to ensure safe and reliable burner operation. Built for dependable performance, this valve ... https://www.partshnc.com/h15da-4-baso-gas-products-34-autopltvlv-30-175f-intflo