Caleffi 521 Series MixCal Press

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The 521 Series adjustable thermostatic mixing valves are all new with PressconTM fittings, designed to make installation and maintenance of the component fast, easy and efficient. The winning combination creates the perfect leak-proof seal and is available in 3⁄4” press connections. These low lead valves are cUPC listed to ASSE 1017/CSA B125.3 for point-of-distribution in domestic water systems and radiant hydronic heating systems.

Caleffi 521 Thermostatic Mixing Valve with Press

CALEFFI – Creating innovative, superior performance products that help customers live comfortably and economically, while softening their impact on the environment.
For more information, visit Caleffi’s Web site at, e-mail us at, or call (414) 238-2360.

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