• Training the Industry

    idronics™

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

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  • LEGIOMIX®

    Electronic Mixing Valve with digital temperature control for commercial DHW systems.

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  • CONTECA Heat Metering

    CONTECA™

    Measure, calculate and record thermal energy.

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  • We've got you covered!

    WE’VE GOT YOU COVERED

    Take a look at our comprehensive product catalog.

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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™

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

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  • Installation Tip Videos

    Install Tips

    Easy-to-access videos

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  • REVIT Library

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Coffee with Caleffi™

Claudio Ardizzoia, Caleffi HQ Lead Product Manager, will discuss the challenges related to high-rise DHW recirculation, is eager to share a case study in troubleshooting problems with hot water recirculation and review solutions for proven design concepts.

Excellence in Technical Support

To support our commitment to deliver superior technical support, we are pleased to announce the hiring of Dan Firkus to the position of application engineer. 

Excellence in Education

Creating the innovative and superior performance products that you trust.  
Piioneering creative education venues into the future.

Set it and forget it.

THERMOSETTER™:  the industry’s only field adjustable thermal balancing valve
for domestic hot water systems.

TECHNICAL JOURNAL

idronics™

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

Discover
WHERE TO BUY

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Coffee with Caleffi
EDUCATION

Coffee with Caleffi™

Our online and complimentary technical training series

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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

520 - AngleMix™ Thermostatic Mixing Valve (with temperature gauge)
AngleMix™ Thermostatic Mixing Valve (with temperature gauge)
CatalogTechnical Brochure
7504 - CONTECA™ Heat Meter
CONTECA™ Heat Meter
CatalogTechnical Brochure
533H - PresCal™ Compact
PresCal™ Compact
CatalogTechnical Brochure
NA5026 - PLUMBVENT™ Automatic Air Vent (low lead)
PLUMBVENT™ Automatic Air Vent (low lead)
CatalogTechnical Brochure
574 - Backflow Preventer (low lead, ¾" F NPT)
Backflow Preventer (low lead, ¾" F NPT)
CatalogTechnical Brochure
6000 - LEGIOMIX® Electronic Mixing Valve
LEGIOMIX® Electronic Mixing Valve
CatalogTechnical Brochure
535H - PresCal™ Pressure Reducing Valve (low lead, pre-adjustable)
PresCal™ Pressure Reducing Valve (low lead, pre-adjustable)
CatalogTechnical Brochure
NA551 - DISCAL® Air Separators, ASME (8 - 12" ANSI Flange)
DISCAL® Air Separators, ASME (8 - 12" ANSI Flange)
CatalogTechnical Brochure
5517 - DISCAL® Air Separators for Vertical or Horizontal Pipes (brass)
DISCAL® Air Separators for Vertical or Horizontal Pipes (brass)
CatalogTechnical Brochure