521617A | 3wTherm Mix Vlv 1"PEX Exp | Caleffi

3wTherm Mixing Valve 1" PEX Expansion . (521617A) by Caleffi is 3Way Mixing Valve 1" PEX Expansion 521617A This Caleffi 3-way mixing valve (521617A) is designed for use in radiant heating and cooling systems. It features a 1" PEX expansion connection and is made of high-quality materials for durability and longevity. The valve's compact design makes it easy to install, and its adjustable temperature range allows you to customize the temperature of your system to your specific needs. With its reliable performance and ease of use, the Caleffi 521617A 3-way mixing valve is an excellent choice for any radiant heating or cooling system. Our HVAC supply store offers the best prices and fast shipping on 3-way mixing valves and all of your other HVAC needs. Visit our website today to learn more about our products and services!