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 SubCategory 4_Master Thread Repair Kits (Inch & Metric Sizes) 26 and EN1677-1 standards for

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Burnham Valve Body 3-Way (SKU: 108187-01) The Burnham Valve Body 3-Way is a genuine OEM replacement part engineered to restore the optimal performance of your K2WTC Combi boiler

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 SubCategory 4_Master Thread Repair Kits (Inch & Metric Sizes) 26 and EN1677-1 standards forMixing 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