Caleffi 521516A

Caleffi 521516A delivers precise thermostatic control with a 3/4" press connection and a built-in temperature gauge to ensure safe, consistent water temperatures. This Mixcal 3 Way Thermostatic Mixing Valve balances hot and cold water for showers, sinks, or commercial fixtures, helping prevent scalding and temperature swings.

Designed for reliability in both residential and light commercial settings, it offers an adjustable outlet temperature range of 85–150°F and a tested, leak-tight seal for long-lasting performance. The compact, rugged valve installs quickly and maintains steady output even when supply pressures fluctuate, making it ideal for retrofit projects and new installations.

Key benefits include precise blending, improved safety, and reduced energy waste, while compatibility with 3/4" piping simplifies integration into existing systems. The valve is built to endure demanding environments and provides easy service access for maintenance.

Upgrade your water system with the Caleffi 521516A Mixcal valve for safer, steadier temperatures and long-lasting performance in homes, hotels, and light commercial facilities.

• Connection: 3/4" press connection for quick, secure installation
• Temperature gauge: built-in meter displays real-time outlet temperature
• Temperature range: adjustable 85–150°F to meet safety and comfort needs
• Three‑way mixing: blends hot, cold, and blended water to stabilize output
• Durability: rugged, leak-tested construction for residential and light commercial use