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The CALEFFI 521500A is a 3/4 inch NPT lead-free thermostatic mixing valve designed for precise control of water temperature in applications ranging from domestic hot water systems to radiant heating solutions. Engineered for reliability and optimal performance, this valve operates within a temperature range of 85 to 155 degrees Fahrenheit and is compliant with safety standards.
This valve features a robust brass body, easy adjustment knobs for user-preferred settings, and offers efficient response to temperature fluctuations.
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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