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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 521201A SinkMixer anti-scald valve 3/8" compression

Caleffi 521201A SinkMixer anti-scald valve 3/8" compression

SKU #: CALE521201A   |   MPN #: 521201A

Regular price $117.38
Sale price $117.38 Regular price $0.00
MSRP: $142

Special Order

Caleffi Z300411 Z-One 3-Way valve body, 1/2", NPT, 1.0 Cv, 75 PSI P

Caleffi Z300411 Z-One 3-Way valve body, 1/2", NPT, 1.0 Cv, 75 PSI P

SKU #: CALEZ300411   |   MPN #: Z300411

Regular price $73.64
Sale price $73.64 Regular price $0.00
MSRP: $85.60

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Caleffi Z300413 Z-One 3-Way valve body, 1/2", NPT, 3.5 Cv, 30 PSI P

Caleffi Z300413 Z-One 3-Way valve body, 1/2", NPT, 3.5 Cv, 30 PSI P

SKU #: CALEZ300413   |   MPN #: Z300413

Regular price $73.59
Sale price $73.59 Regular price $0.00
MSRP: $85.60

Special Order

Caleffi Z300515 Z-One 3-Way valve body, 3/4", NPT, 5.0 Cv, 25 PSI P

Caleffi Z300515 Z-One 3-Way valve body, 3/4", NPT, 5.0 Cv, 25 PSI P

SKU #: CALEZ300515   |   MPN #: Z300515

Regular price $89.38
Sale price $89.38 Regular price $0.00
MSRP: $107

Special Order

Caleffi Z200412 Z-One 2-Way valve body, 1/2", NPT, 2.5 Cv, 50 PSI P

Caleffi Z200412 Z-One 2-Way valve body, 1/2", NPT, 2.5 Cv, 50 PSI P

SKU #: CALEZ200412   |   MPN #: Z200412

Regular price $58.94
Sale price $58.94 Regular price $0.00
MSRP: $64.30

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Caleffi Z40 Zone Valve

Caleffi Z40 Zone Valve

SKU #: CALEZ40   |   MPN #: Z40

Regular price $167.91
Sale price $167.91 Regular price $0.00
MSRP: $211

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Caleffi 521500AC MixCal 3-Way Mixing Valve 3/4" NPT w/Check Valves

Caleffi 521500AC MixCal 3-Way Mixing Valve 3/4" NPT w/Check Valves

SKU #: CALE521500AC   |   MPN #: 521500AC

Regular price $229.50
Sale price $229.50 Regular price $0.00
MSRP: $303

Special Order

Caleffi 533651HA PressCal Compact PRV ASSE 1003, Single Union 3/4" press union in, FNPT out, gauge

Caleffi 533651HA PressCal Compact PRV ASSE 1003, Single Union 3/4" press union in, FNPT out, gauge

SKU #: CALE533651HA   |   MPN #: 533651HA

Regular price $83.88
Sale price $83.88 Regular price $0.00
MSRP: $94.20

Special Order

Caleffi 521510A MixCal 3-way Mixing Valve 3/4" NPT w/ Temp Gauge

Caleffi 521510A MixCal 3-way Mixing Valve 3/4" NPT w/ Temp Gauge

SKU #: CALE521510A   |   MPN #: 521510A

Regular price $237.48
Sale price $237.48 Regular price $0.00
MSRP: $313

Special Order

Caleffi 521510AC MixCal 3-way Mixing Valve 3/4" NPT w/Check Valves & Temp Gauge

Caleffi 521510AC MixCal 3-way Mixing Valve 3/4" NPT w/Check Valves & Temp Gauge

SKU #: CALE521510AC   |   MPN #: 521510AC

Regular price $260.06
Sale price $260.06 Regular price $0.00
MSRP: $347

Special Order

Caleffi 253048 SOLAR SAFETY RELIEF VALVE 8 BAR 120 PSI

Caleffi 253048 SOLAR SAFETY RELIEF VALVE 8 BAR 120 PSI

SKU #: CALE253048   |   MPN #: 253048

Regular price $67.94
Sale price $67.94 Regular price $0.00
MSRP: $76.80

Special Order

Caleffi 521607AC MixCal 3-Way Mixing Valve 1" PEX crimp w/Check Valves

Caleffi 521607AC MixCal 3-Way Mixing Valve 1" PEX crimp w/Check Valves

SKU #: CALE521607AC   |   MPN #: 521607AC

Regular price $253.42
Sale price $253.42 Regular price $0.00
MSRP: $339

Special Order

Caleffi 535061A AutoFill 1" Union MNPT w/ Pressure Gauge

Caleffi 535061A AutoFill 1" Union MNPT w/ Pressure Gauge

SKU #: CALE535061A   |   MPN #: 535061A

Regular price $162.49
Sale price $162.49 Regular price $0.00
MSRP: $202

Special Order

Caleffi 535068A AutoFill 1" Union Pex Expansion w/ Pressure Gauge

Caleffi 535068A AutoFill 1" Union Pex Expansion w/ Pressure Gauge

SKU #: CALE535068A   |   MPN #: 535068A

Regular price $173.87
Sale price $173.87 Regular price $0.00
MSRP: $203

Special Order

Caleffi 535341HA PressCal PRV ASSE 1003, Female 1/2" NPT w/ Pressure Gauge

Caleffi 535341HA PressCal PRV ASSE 1003, Female 1/2" NPT w/ Pressure Gauge

SKU #: CALE535341HA   |   MPN #: 535341HA

Regular price $135.64
Sale price $135.64 Regular price $0.00
MSRP: $166

Special Order

Caleffi 339452 Radiator Valve Thermo.Straight 1/2"x3/4"

Caleffi 339452 Radiator Valve Thermo.Straight 1/2"x3/4"

SKU #: CALE339452   |   MPN #: 339452

Regular price $71.44
Sale price $71.44 Regular price $0.00
MSRP: $81.80

Special Order

Caleffi 520410AC Thermostatic Mixing 1/2 Inch NPT Brass

Caleffi 520410AC Thermostatic Mixing 1/2 Inch NPT Brass

SKU #: CALE520410AC   |   MPN #: 520410AC

Regular price $242.90
Sale price $242.90 Regular price $0.00
MSRP: $324

Special Order

Caleffi 520510AC Thermostatic Mixing 3/4 Inch NPT Brass

Caleffi 520510AC Thermostatic Mixing 3/4 Inch NPT Brass

SKU #: CALE520510AC   |   MPN #: 520510AC

Regular price $260.06
Sale price $260.06 Regular price $0.00
MSRP: $347

Special Order

Caleffi 132432AFC QuickSetter+ Balancing Valve w/ Flowmeter Union, 1/2" Pex Expansion .5 - 1.75 GPM Low Lead

Caleffi 132432AFC QuickSetter+ Balancing Valve w/ Flowmeter Union, 1/2" Pex Expansion .5 - 1.75 GPM Low Lead

SKU #: CALE132432AFC   |   MPN #: 132432AFC

Regular price $254.08
Sale price $254.08 Regular price $0.00
MSRP: $323

Special Order

Caleffi 521101A Mixing Valve without fitting

Caleffi 521101A Mixing Valve without fitting

SKU #: CALE521101A   |   MPN #: 521101A

Regular price $149.35
Sale price $149.35 Regular price $0.00
MSRP: $187

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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