521519A | Mixing Valve MixCal 521 Adjustable 3-Way Thermostatic with Gauge 3/4 Inch Low Lead Brass Sweat Union 200 Pounds per Square Inch | Hydronic Caleffi SubType_Hydronic Specialties minimizing damage to equipment and

minimizing damage to equipment and preventing electrical hazards

With its precise engineering

precision assembly

The pin's L-handle allows for easy and comfortable operation

With its ease of use

521519A | Mixing Valve MixCal 521 Adjustable 3-Way Thermostatic with Gauge 3/4 Inch Low Lead Brass Sweat Union 200 Pounds per Square Inch | Hydronic Caleffi SubType_Hydronic Specialties minimizing damage to equipment andMixing Valve MixCal 521: Dependable Temperature Control for Hydronic Systems The Hydronic Caleffi Mixing Valve MixCal 521 is an adjustable 3 way thermostatic valve designed to deliver precise temperature control in hydronic systems. Engineered with a 3 4 inch low lead brass body and sweat union end connections, it ensures durability and reliable performance in various plumbing and hydronic applications. Featuring a built in gauge, the MixCal 521