This Lochinvar gas valve is a crucial component designed for regulating the flow of gas in heating systems. The model, VALVEGAS1 NPT120VV48A, features a 1-inch National Pipe Thread (NPT), which is a standard used in North America for pipes and fittings. The valve operates at 120 volts, indicating its compatibility with most residential and commercial power supplies. Furthermore, it has a 48-inch lead wire for easy installation and connectivity. This product is specifically engineered to ensure safety and efficiency in controlling the gas supply within various Lochinvar heating systems.