The ASCO EF8215B80 2" N/C Solenoid Valve is an explosion-proof aluminum valve designed to control air and gas flow in HVAC and combustion applications. It operates by using an electromagnetic coil to open or close the valve when electrical power is applied or removed, providing reliable on/off flow control. This valve is commonly used in gas-fired furnaces, boilers, burners, and comme... https://www.partshnc.com/ef8215b80-asco-2-ncxprf025airgasalum