Caleffi 520416A

The Caleffi 520416A is a premium AngleMix 3-way mixing valve with press union connections, engineered for precise temperature control in residential and commercial hydronic systems. This 3-way mixer blends hot and cold water to deliver a stable outlet temperature, ideal for radiant heating, domestic hot water preheat, and boiler makeup.

Designed for reliability, the 520416A uses durable materials that resist corrosion under high-temperature operation. Its compact footprint and press union fittings enable straightforward installation in tight spaces and modern hydronic circuits. The valve is suitable for retrofit projects and new-builds alike, offering long-lasting performance in demanding hot-water systems.

• Precise temperature control with 3-way mixing for steady outlet temperatures
• Press union connections for fast, leak-free installation
• Durable, corrosion-resistant construction designed for high-temperature systems
• Compact footprint fits into tight mechanical rooms and closets
• Versatile applications ideal for radiant heating, DHW preheat, and boiler makeup

With Caleffi's reputation for reliability, this valve integrates smoothly into diverse heating and water systems, helping installers deliver consistent performance and comfort.