• We're Stocked and Loaded

    We're Stocked and Loaded

    with Products that Impress

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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
  • Safe and Sanitary Domestic Hot Water in Three Basic Steps

    How to Provide Safe and Sanitary DHW in 3 Basic Steps

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  • 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

Bob "Hot Rod" Rohr returns to the head-of-the-class to help our audience Select the "Best" Water Heater for their specific applications.

Happy Thanksgiving

We sincerely appreciate our customers, clients and colleagues. 

Renovation Awarded Top Projects

Take a look at our office renovation project.

Double Up Protection

Introducing high performance ferrous and non-ferrous separation with DIRTMAG® PRO.

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)
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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