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Optimize your plumbing system's efficiency with the Caleffi 521409A, a robust 3-way thermostatic mixing valve designed for versatile applications in domestic hot water systems, hydronic heating, and radiant floor heating. This valve ensures constant temperature control, compensating for fluctuations in both temperature and pressure of incoming water.
The Caleffi 521409A features a flow capacity of 3, suitable for systems requiring precise temperature control. Its sweat connection type and size of 0.5 inches simplify installation in a variety of settings.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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