Description
The Caleffi 520516A AngleMix™ 3‑Way Thermostatic Mixing Valve is a premium plumbing component engineered to deliver accurate, stable mixed hot water temperatures by blending hot and cold supplies in domestic and hydronic systems. With a compact angle‑style design and 3/4" press union connections, this thermostatic valve reduces installation time and materials while providing reliable temperature control and safety. Its integrated temperature gauge and thermostatic shut‑off function ensure consistent performance even with pressure or temperature fluctuations, making it ideal for water heaters, recirculation loops, and point‑of‑use applications.
Features & Benefits:
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Model: Caleffi 520516A AngleMix™ 3‑Way Thermostatic Mixing Valve
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Connection Type: 3/4" Press union for fast, leak‑resistant installation
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Thermostatic Control: Maintains desired mixed water temperature despite supply fluctuations
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Angle‑Body Design: Inline hot inlet and mixed outlet reduce installation labor and eliminate extra elbows
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Built‑in Temperature Gauge: Convenient local monitoring of mixed outlet temperature
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Thermal Shut‑Off: Prevents scalding if cold water supply fails
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Adjustment Range: Approx. 95°F – 150°F for versatile system tuning
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Reliable Construction: DZR low‑lead brass body with anti‑scale internal materials for long service life
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Performance Ratings: Max static pressure 150 psi, dynamic pressure 75 psi, and hot inlet temp up to 195°F






