Caleffi 521416A

Caleffi 521416A is a 3-way thermostatic mixing valve engineered for precise hot-water mixing with 1/2 inch press connections and an integrated temperature gauge. This high-precision thermostatic mixing valve continuously blends cold and hot water to deliver a stable outlet temperature, protecting fixtures and improving comfort in residential or commercial systems. The 3-way design provides flexible flow paths, making it ideal for scenarios requiring constant temperature control and energy efficiency. Suitable for heating systems, recirculation loops, or radiant floor setups. Its robust design ensures reliable performance even under variable inlet temperatures and flow rates.

• 1/2 inch press connections for fast, leak-free installation and compatibility with standard plumbing manifolds.
• Integrated temperature gauge provides at-a-glance monitoring of outlet temperature for quick adjustments.
• Precise thermostatic control maintains a stable mixed-water temperature even as supply conditions change.
• Three-way valve design supports versatile configurations for domestic hot water, radiant heating, or multi-point mixers.
• Durable body and high-quality seals deliver long service life in demanding residential and commercial environments.