521516AC | Mixing Valve MixCal 521 Adjustable 3-Way Thermostatic with Gauge and Check Valve 3/4 Inch Low Lead Brass Press Union 200 Pounds per Square Inch | Hydronic Caleffi

The Caleffi 521516AC Mixing Valve is a versatile and reliable 3-way thermostatic mixing valve designed for precision temperature control in hydronic systems. Built with high-quality low lead brass and a robust press union connection, this valve ensures durability and long-lasting performance. Its adjustable design allows for precise temperature regulation, ensuring optimal system efficiency and user comfort. The integrated gauge provides real-time pressure monitoring for accurate system operation. The 521516AC Mixing Valve is ideal for various hydronic applications, including underfloor heating, space heating, and domestic hot water systems. Its compact size and ease of installation make it a convenient and practical solution for any hydronic system. Key Features: • Adjustable 3-way thermostatic design for precise temperature control • Durable low lead brass construction for corrosion resistance and longevity • Press union connection for secure and leak-proof installation • Integrated gauge for real-time pressure monitoring • Compact size and ease of installation Contact us today at Our trusted HVAC store for the best prices and fast shipping on the Caleffi 521516AC Mixing Valve and all your hydronic system needs.

Mixing Valve MixCal 521 Adjustable 3-Way Thermostatic with Gauge and Check Valve 3/4 Inch Low Lead Brass Press Union 200 Pounds per Square Inch