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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 220500A 3/4" NPT Angled TRV Body

Caleffi 220500A 3/4" NPT Angled TRV Body

SKU #: CALE220500A   |   MPN #: 220500A

Regular price $70.48
Sale price $70.48 Regular price $0.00
MSRP: $78.80

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Caleffi 221500A 3/4" NPT Straight TRV Body

Caleffi 221500A 3/4" NPT Straight TRV Body

SKU #: CALE221500A   |   MPN #: 221500A

Regular price $71.24
Sale price $71.24 Regular price $0.00
MSRP: $78.80

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Caleffi 533750HA PressCal Compact PRV ASSE 1003, Single Union 3/4" PEX crimp union in, FNPT out

Caleffi 533750HA PressCal Compact PRV ASSE 1003, Single Union 3/4" PEX crimp union in, FNPT out

SKU #: CALE533750HA   |   MPN #: 533750HA

Regular price $85.43
Sale price $85.43 Regular price $0.00
MSRP: $85.43

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Caleffi 251003A Solar Air Separator 3/4" NPTF

Caleffi 251003A Solar Air Separator 3/4" NPTF

SKU #: CALE251003A   |   MPN #: 251003A

Regular price $187.94
Sale price $187.94 Regular price $0.00
MSRP: $230

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Caleffi 280176A Anticondensing Valve 1-1/4" NPT 140 F

Caleffi 280176A Anticondensing Valve 1-1/4" NPT 140 F

SKU #: CALE280176A   |   MPN #: 280176A

Regular price $366.73
Sale price $366.73 Regular price $0.00
MSRP: $477

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Caleffi 253043 SOLAR SAFETY RELIEF VALVE 3 BAR 45 PSI

Caleffi 253043 SOLAR SAFETY RELIEF VALVE 3 BAR 45 PSI

SKU #: CALE253043   |   MPN #: 253043

Regular price $67.83
Sale price $67.83 Regular price $0.00
MSRP: $76.80

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Caleffi 250041A Solar Automatic Air Vent Valve 1/2"NPT

Caleffi 250041A Solar Automatic Air Vent Valve 1/2"NPT

SKU #: CALE250041A   |   MPN #: 250041A

Regular price $72.15
Sale price $72.15 Regular price $0.00
MSRP: $81.20

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Caleffi 533851HA PressCal Compact PRV ASSE 1003, Single Union 3/4" PEX exp union in, FNPT out, gauge

Caleffi 533851HA PressCal Compact PRV ASSE 1003, Single Union 3/4" PEX exp union in, FNPT out, gauge

SKU #: CALE533851HA   |   MPN #: 533851HA

Regular price $94.59
Sale price $94.59 Regular price $0.00
MSRP: $94.59

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Caleffi 533850HA PressCal Compact PRV ASSE 1003, Single Union 3/4" PEX exp union in, FNPT out

Caleffi 533850HA PressCal Compact PRV ASSE 1003, Single Union 3/4" PEX exp union in, FNPT out

SKU #: CALE533850HA   |   MPN #: 533850HA

Regular price $85.43
Sale price $85.43 Regular price $0.00
MSRP: $85.43

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Caleffi 253046 SOLAR SAFETY RELIEF VALVE 6 BAR 90PSI

Caleffi 253046 SOLAR SAFETY RELIEF VALVE 6 BAR 90PSI

SKU #: CALE253046   |   MPN #: 253046

Regular price $67.89
Sale price $67.89 Regular price $0.00
MSRP: $76.80

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Caleffi 280965A Anticondensing Valve 1" SWT 130 F

Caleffi 280965A Anticondensing Valve 1" SWT 130 F

SKU #: CALE280965A   |   MPN #: 280965A

Regular price $303.24
Sale price $303.24 Regular price $0.00
MSRP: $389

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Caleffi 533940HA PressCal Compact PRV ASSE 1003, Single Union 1/2" sweat union in, FNPT out

Caleffi 533940HA PressCal Compact PRV ASSE 1003, Single Union 1/2" sweat union in, FNPT out

SKU #: CALE533940HA   |   MPN #: 533940HA

Regular price $96.73
Sale price $96.73 Regular price $0.00
MSRP: $116

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Caleffi 280175A Anticondensing Valve 1-1/4" NPT 130 F

Caleffi 280175A Anticondensing Valve 1-1/4" NPT 130 F

SKU #: CALE280175A   |   MPN #: 280175A

Regular price $366.73
Sale price $366.73 Regular price $0.00
MSRP: $477

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Caleffi 280165A Anticondensing Valve 1" NPT 130 F

Caleffi 280165A Anticondensing Valve 1" NPT 130 F

SKU #: CALE280165A   |   MPN #: 280165A

Regular price $322.13
Sale price $322.13 Regular price $0.00
MSRP: $416

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Caleffi 533941HA PressCal Compact PRV ASSE 1003, Single Union 1/2" sweat union in, FNPT out, gauge

Caleffi 533941HA PressCal Compact PRV ASSE 1003, Single Union 1/2" sweat union in, FNPT out, gauge

SKU #: CALE533941HA   |   MPN #: 533941HA

Regular price $114.35
Sale price $114.35 Regular price $0.00
MSRP: $132

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Caleffi 521516AC MixCal 3-way Mixing Valve 3/4" Press w/Check Valves & Temp Gauge

Caleffi 521516AC MixCal 3-way Mixing Valve 3/4" Press w/Check Valves & Temp Gauge

SKU #: CALE521516AC   |   MPN #: 521516AC

Regular price $278.22
Sale price $278.22 Regular price $0.00
MSRP: $374

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Caleffi 521606A MixCal 3-way Mixing Valve 1" Press

Caleffi 521606A MixCal 3-way Mixing Valve 1" Press

SKU #: CALE521606A   |   MPN #: 521606A

Regular price $242.66
Sale price $242.66 Regular price $0.00
MSRP: $322

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Caleffi 280976A Anticondensing Valve 1-1/4" SWT 140 F

Caleffi 280976A Anticondensing Valve 1-1/4" SWT 140 F

SKU #: CALE280976A   |   MPN #: 280976A

Regular price $352.74
Sale price $352.74 Regular price $0.00
MSRP: $457

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Caleffi 521606AC MixCal 3-way Mixing Valve 1" Press, check

Caleffi 521606AC MixCal 3-way Mixing Valve 1" Press, check

SKU #: CALE521606AC   |   MPN #: 521606AC

Regular price $261.26
Sale price $261.26 Regular price $0.00
MSRP: $350

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Caleffi 280966A Anticondensing Valve 1" SWT 140 F

Caleffi 280966A Anticondensing Valve 1" SWT 140 F

SKU #: CALE280966A   |   MPN #: 280966A

Regular price $303.24
Sale price $303.24 Regular price $0.00
MSRP: $389

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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