• LEGIOMIX® DHW Control System

    A Product Trifecta

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  • Double Up Protection with DIRTMAGPRO®

    Double Up Hydronic System Protection

    with DIRTMAG® PRO

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  • Interactive idronics

    Introducing the 29th Edition

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  • The HeArt of Creation

    The HeArt of Creation

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  • 2021 Caleffi Catalogs

    We've got you covered!

    Download our 2021 Product Catalogs.

    Plumbing & Hydronics Plumbing
  • High flow with quiet pressure control

    Pressure Reducing Valves

    High flow and quiet pressure control

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  • Coffee with Caleffi

    Coffee with Caleffi™

    Our online and complimentary technical training webinar series. What’s next?

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Coffee with Caleffi™

John Siegenthaler, P.E. will discuss Hydronics for Low-Energy & Net-Zero Buildings at the next complimentary webinar.

AHR 2022 in Las Vegas

The highly anticipated AHR Expo is ON!  Find us at Booth N7930.

Standing Tall: An Up-Close Look at Caleffi

As penned by Mechanical Hub, enjoy this up-close look at Caleffi.

LEGIOMIX DHW Control System

Discover this AHR Award recognized Product Trifecta.

idronics
TECHNICAL JOURNAL

idronics™

A journal of design innovation for hydronic, plumbing and renewable energy professionals

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WHERE TO BUY

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5 Things You Need to Know
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Automatic Fast Fill

AutoFill™

The high quality valve automatically and quickly fills a hydronic system to a preset pressure.

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Latest productsGo to the Catalog

5463M - DIRTMAG® PRO - Dirt Separator with Dual Magnets (brass)
DIRTMAG® PRO - Dirt Separator with Dual Magnets (brass)
CatalogTechnical Brochure
290030 - Isolation Ball Valve (low-lead)
Isolation Ball Valve (low-lead)
CatalogTechnical Brochure
6000 - LEGIOMIX® Electronic Mixing Valve (flanged)
LEGIOMIX® Electronic Mixing Valve (flanged)
CatalogTechnical Brochure
5212 - SinkMixer™ Scald Protection Point-of-Use Thermostatic Mixing Valve (4-way)
SinkMixer™ Scald Protection Point-of-Use Thermostatic Mixing Valve (4-way)
CatalogTechnical Brochure
520 - AngleMix™ Thermostatic Mixing Valve (with temperature gauge)
AngleMix™ Thermostatic Mixing Valve (with temperature gauge)
CatalogTechnical Brochure
533H - PresCal™ Compact
PresCal™ Compact
CatalogTechnical Brochure