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Collection: Caleffi

Founded in 1956 in Italy, Caleffi is a global leader in hydronic heating, plumbing, and air conditioning components. From thermostatic mixing valves and pressure reducing valves to air separators and zone valves, Caleffi engineers for precision, efficiency, and reliability.

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1805 products

Caleffi 521342A 3-Way ANTI-SCALD Mixing Valve 1/2" NPT w/Check Valves

Caleffi 521342A 3-Way ANTI-SCALD Mixing Valve 1/2" NPT w/Check Valves

SKU #: CALE521342A   |   MPN #: 521342A

Regular price $136.56
Sale price $136.56 Regular price $0.00
MSRP: $166

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Caleffi 521347A 3-Way ANTI-SCALD Mixing Valve 1/2" PEX crimp w/Check Valves

Caleffi 521347A 3-Way ANTI-SCALD Mixing Valve 1/2" PEX crimp w/Check Valves

SKU #: CALE521347A   |   MPN #: 521347A

Regular price $131.26
Sale price $131.26 Regular price $0.00
MSRP: $166

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Caleffi Z200512 Z-One 2-Way valve body, 3/4", NPT, 2.5 Cv, 50 PSI P

Caleffi Z200512 Z-One 2-Way valve body, 3/4", NPT, 2.5 Cv, 50 PSI P

SKU #: CALEZ200512   |   MPN #: Z200512

Regular price $76.41
Sale price $76.41 Regular price $0.00
MSRP: $87.80

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Caleffi Z200532 Z-One 2-Way valve body, 3/4", Sweat, 2.5 Cv, 50 PSI P

Caleffi Z200532 Z-One 2-Way valve body, 3/4", Sweat, 2.5 Cv, 50 PSI P

SKU #: CALEZ200532   |   MPN #: Z200532

Regular price $67.27
Sale price $67.27 Regular price $0.00
MSRP: $77.70

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Caleffi Z47 Zone Valve 1-1/4 Inch Sweat

Caleffi Z47 Zone Valve 1-1/4 Inch Sweat

SKU #: CALEZ47   |   MPN #: Z47

Regular price $242.23
Sale price $242.23 Regular price $0.00
MSRP: $323

Special Order

Caleffi Z45P Z-One 2-Way,NCw/ MS,24V,3/4", Union Press,7.5Cv

Caleffi Z45P Z-One 2-Way,NCw/ MS,24V,3/4", Union Press,7.5Cv

SKU #: CALEZ45P   |   MPN #: Z45P

Regular price $218.31
Sale price $218.31 Regular price $0.00
MSRP: $287

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Caleffi Z50 Zone Valve

Caleffi Z50 Zone Valve

SKU #: CALEZ50   |   MPN #: Z50

Regular price $170.48
Sale price $170.48 Regular price $0.00
MSRP: $215

Special Order

Caleffi Z45PL Z-One 2-Way,NCw/ MS,24V,3/4", Union Press Long,7.5Cv

Caleffi Z45PL Z-One 2-Way,NCw/ MS,24V,3/4", Union Press Long,7.5Cv

SKU #: CALEZ45PL   |   MPN #: Z45PL

Regular price $236.92
Sale price $236.92 Regular price $0.00
MSRP: $315

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Caleffi Z42 Zone Valve 1/2 Inch

Caleffi Z42 Zone Valve 1/2 Inch

SKU #: CALEZ42   |   MPN #: Z42

Regular price $179.87
Sale price $179.87 Regular price $0.00
MSRP: $229

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Caleffi Z44 Zone Valve 1/2 Inch Sweat

Caleffi Z44 Zone Valve 1/2 Inch Sweat

SKU #: CALEZ44   |   MPN #: Z44

Regular price $164.50
Sale price $164.50 Regular price $0.00
MSRP: $206

Special Order

Caleffi Z46 Zone Valve 1 Inch Sweat

Caleffi Z46 Zone Valve 1 Inch Sweat

SKU #: CALEZ46   |   MPN #: Z46

Regular price $212.34
Sale price $212.34 Regular price $0.00
MSRP: $278

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Caleffi Z40F Zone Valve

Caleffi Z40F Zone Valve

SKU #: CALEZ40F   |   MPN #: Z40F

Regular price $186.51
Sale price $186.51 Regular price $0.00
MSRP: $239

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Caleffi Z50F Zone Valve

Caleffi Z50F Zone Valve

SKU #: CALEZ50F   |   MPN #: Z50F

Regular price $189.75
Sale price $189.75 Regular price $0.00
MSRP: $244

Special Order

Caleffi Z44P Z-One 2-Way,NCw/ MS,24V,1/2",Union Press,2.5Cv

Caleffi Z44P Z-One 2-Way,NCw/ MS,24V,1/2",Union Press,2.5Cv

SKU #: CALEZ44P   |   MPN #: Z44P

Regular price $215.66
Sale price $215.66 Regular price $0.00
MSRP: $283

Special Order

Caleffi Z54P Z-One 2-Way,NC TERMINAL Block, w/ MS,24V,1/2", Union Press,2.5Cv

Caleffi Z54P Z-One 2-Way,NC TERMINAL Block, w/ MS,24V,1/2", Union Press,2.5Cv

SKU #: CALEZ54P   |   MPN #: Z54P

Regular price $218.31
Sale price $218.31 Regular price $0.00
MSRP: $287

Special Order

Caleffi Z46P Z-One 2-Way,NCw/ MS,24V,1",Union Press,7.5Cv

Caleffi Z46P Z-One 2-Way,NCw/ MS,24V,1",Union Press,7.5Cv

SKU #: CALEZ46P   |   MPN #: Z46P

Regular price $243.56
Sale price $243.56 Regular price $0.00
MSRP: $325

Special Order

Caleffi Z45 Zone Valve 3/4 Inch Sweat

Caleffi Z45 Zone Valve 3/4 Inch Sweat

SKU #: CALEZ45   |   MPN #: Z45

Regular price $174.47
Sale price $174.47 Regular price $0.00
MSRP: $221

Special Order

Caleffi Z54 Zone Valve 1/2 Inch Sweat

Caleffi Z54 Zone Valve 1/2 Inch Sweat

SKU #: CALEZ54   |   MPN #: Z54

Regular price $167.83
Sale price $167.83 Regular price $0.00
MSRP: $211

Special Order

Caleffi Z116000 Z-One 120V,Normally Closed Actuator,w/ Switch

Caleffi Z116000 Z-One 120V,Normally Closed Actuator,w/ Switch

SKU #: CALEZ116000   |   MPN #: Z116000

Regular price $120.13
Sale price $120.13 Regular price $0.00
MSRP: $145

Special Order

Caleffi 535671HA PressCal PRV ASSE 1003, 1-1/4" Press w/ Pressure Gauge

Caleffi 535671HA PressCal PRV ASSE 1003, 1-1/4" Press w/ Pressure Gauge

SKU #: CALE535671HA   |   MPN #: 535671HA

Regular price $471.50
Sale price $471.50 Regular price $0.00
MSRP: $656

Special Order

Caleffi FAQ

What is Caleffi?

Caleffi is a manufacturer of hydronic heating and plumbing components, known for high-quality valves, fittings, and system solutions designed for efficiency and reliability.

What products does Caleffi offer?

Caleffi offers mixing valves, pressure reducing valves (PRVs), pressure relief valves, air separators, zone valves, and hydronic system controls for plumbing and HVAC applications.

What is a Caleffi mixing valve used for?

Caleffi mixing valves, including thermostatic and temperature mixing valves, regulate water temperature to improve safety, comfort, and system efficiency.

What does a Caleffi pressure reducing valve do?

A Caleffi pressure reducing valve (PRV) controls incoming water pressure, protecting plumbing systems and fixtures from damage caused by high pressure.

What is a Caleffi air separator?

Caleffi air separators remove air from hydronic heating systems, improving efficiency, reducing noise, and preventing system damage.

Are Caleffi products high quality?

Caleffi products are made from premium materials and engineered for durability, offering long-lasting performance in demanding hydronic and plumbing systems.

Where are Caleffi products made?

Caleffi was founded in Italy and operates globally, with manufacturing and distribution supporting markets including Caleffi North America.

Can Caleffi products be used in residential and commercial systems?

Yes, Caleffi components are designed for residential, commercial, and industrial hydronic systems, ensuring consistent performance across applications.

Do Caleffi products help improve energy efficiency?

By regulating temperature, pressure, and air removal, Caleffi valves and components help hydronic systems operate more efficiently and reduce energy waste.

Why choose Caleffi for hydronic systems?

Caleffi stands out for precision engineering, reliable performance, and a complete range of hydronic solutions that support safe, efficient plumbing and heating systems.

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