HCAL123472 3/4 in Solar 3-way Thermostatic Mixing Valve wi (...)

The Caleffi 252158A mixing valve is designed for solar thermal domestic hot water systems. It automatically blends hot and cold water to a user-set temperature (85–150 °F), preventing scalding from excessively hot solar storage output. Featuring ¾″ sweat union connections, built-in inlet check valves, dezincification‑resistant brass body, and a surface-mounted temperature gauge, it operates continuously up to 210 °F inlet temperature and 200 psi. Certified to ASSE 1017, CSA B125.3, UPC/IPC, Low-Lead laws, ICC‑ES, NSF/ANSI 372, and Buy American/WRAS standards, it ensures safe, compliant installations.

Manufacturer: Caleffi

Product Features

• ¾″ sweat union connections
• Built‑in hot and cold inlet check valves
• Adjustable temperature range: 85–150 °F
• Max operating pressure: 200 psi; max inlet temp: 210 °F
• Dezincification‑resistant brass body (“low‑lead”)
• Integrated dial temperature gauge
• 3‑way mixing design with ASSE 1017 compliance
• Certifications: CSA B125.3, UPC/IPC, ICC‑ES, NSF/ANSI 372, WRAS, Buy American
• Suitable for continuous high-temp solar applications

Product Attributes

Availability