415-52907-02 Bradford White RG2 Gas Control Valve Built Tough Cover: Designed to protect internal components during transport and installation.Ergonomic Control Knob: Allows for precise temperature set point selection and ease of pilot lighting.Easy-View LED Light: Visible from standing position.Intelligent Diagnostics: An exclusive multicolor LED light diagnostic systemGreen: Pilot on/normal burner operation o Amber: Warning - Service recommended o Red: Critical - Service requiredSimplified Diagnostics: Reduced number of error codes to streamline trouble shooting.