Watts LF70A Tempering Valve 3/4" x 3/4" Sweat Lead-Free, 120–160°F 0559133

The Watts LF70A Hot Water Extender Tempering Valve 0559133 is a temperature-regulating component used to regulate the amount of hot water produced by mixing hot and cold water to a safe level of delivery in HVAC systems. It has an internal thermostatic element that detects the outlet temperature at which it varies the mixing ratio when operating in boiler and hydronic HVAC systems. The valve has 3/4-inch sweat connections and a lead-free body, with a range of 120-160°F adjustable outlet temperature. It is installed on the hot water line, where it is necessary to control the temperature.