The NEW Watts LFTWH-FT-HCN-RV Tankless Water Heater Service Valve Kit is a high-quality threaded valve kit designed for tankless water heaters. Made of copper silicon alloy with a gold color coating, this valve kit is compatible with various brands and models of tankless water heaters. It features a high-quality coating to prevent corrosion and ensures a reliable connection with its 3/4" width. Easy to install and durable, this valve kit is a convenient and essential component for maintaining and servicing your tankless water heater system.