The Asco SV401A02V9BF7 1/4 Inch Normally Closed Fuel Oil Solenoid Valve is a 120V electrically operated valve designed to control the flow of fuel oil in HVAC and combustion systems. It works by using an electromagnetic coil that opens the valve when energized and automatically closes it when power is removed, ensuring safe and precise fuel regulation. Commonly used in oil-fired furna... https://www.partshnc.com/sv401a02v9bf7-asco-14-nc-0300fueloil-120v