The Thermostatic Head with Capillary by Mueller Streamline is designed for precise temperature control in heating systems. Operating within a temperature range of 68° to 158°F, this thermostatic head ensures accurate regulation of heating output. The capillary design allows for quick response to temperature changes, enhancing system efficiency. Constructed with high-quality materials, it is built to withstand the rigors of HVAC applications. This product is ideal for use in residential and commercial settings, providing reliable performance and ease of installation for optimal heating control.