ASCO Model 8215B80 solenoid valve. This specific valve is a 2-way, normally closed, internal pilot-operated valve designed for use with air, inert gas, and fuel gas. 

Key specifications and features include:

• Voltage: 120 volts AC at 60 Hz. 

• Pressure Range: Operates with air or inert gas from 0-25 PSI, and fuel gas up to 5 PSI. 

• Pipe Size: Features a 2-inch NPT pipe connection. 

• Application: Ideal for low-pressure applications requiring high flow, such as heating equipment and industrial water control.