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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 521407AC MixCal 3-Way Mixing Valve 1/2" PEX crimp w/Check Valves

Caleffi 521407AC MixCal 3-Way Mixing Valve 1/2" PEX crimp w/Check Valves

SKU #: CALE521407AC   |   MPN #: 521407AC

Regular price $207.58
Sale price $207.58 Regular price $0.00
MSRP: $270

Special Order

Caleffi 521408A MixCal 3-way Mixing Valve 1/2" PEX expansion

Caleffi 521408A MixCal 3-way Mixing Valve 1/2" PEX expansion

SKU #: CALE521408A   |   MPN #: 521408A

Regular price $190.31
Sale price $190.31 Regular price $0.00
MSRP: $244

Special Order

Caleffi 521408AC MixCal 3-Way Mixing Valve 1/2" Pex Expansion w/Check Valves

Caleffi 521408AC MixCal 3-Way Mixing Valve 1/2" Pex Expansion w/Check Valves

SKU #: CALE521408AC   |   MPN #: 521408AC

Regular price $207.58
Sale price $207.58 Regular price $0.00
MSRP: $270

Special Order

Caleffi 521409A MixCal 3-way Mixing Valve 1/2" Sweat

Caleffi 521409A MixCal 3-way Mixing Valve 1/2" Sweat

SKU #: CALE521409A   |   MPN #: 521409A

Regular price $190.31
Sale price $190.31 Regular price $0.00
MSRP: $244

Special Order

Caleffi 521507A MixCal 3-way Mixing Valve 3/4" PEX crimp

Caleffi 521507A MixCal 3-way Mixing Valve 3/4" PEX crimp

SKU #: CALE521507A   |   MPN #: 521507A

Regular price $196.95
Sale price $196.95 Regular price $0.00
MSRP: $254

Special Order

Caleffi 521508A MixCal 3-way Mixing Valve 3/4" Pex Expansion

Caleffi 521508A MixCal 3-way Mixing Valve 3/4" Pex Expansion

SKU #: CALE521508A   |   MPN #: 521508A

Regular price $196.95
Sale price $196.95 Regular price $0.00
MSRP: $254

Special Order

Caleffi 521508AC MixCal 3-Way Mixing Valve 3/4" Pex Expansion w/Check Valves

Caleffi 521508AC MixCal 3-Way Mixing Valve 3/4" Pex Expansion w/Check Valves

SKU #: CALE521508AC   |   MPN #: 521508AC

Regular price $222.30
Sale price $222.30 Regular price $0.00
MSRP: $293

Special Order

Caleffi 521507AC MixCal 3-Way Mixing Valve 3/4" PEX crimp w/Check Valves

Caleffi 521507AC MixCal 3-Way Mixing Valve 3/4" PEX crimp w/Check Valves

SKU #: CALE521507AC   |   MPN #: 521507AC

Regular price $222.30
Sale price $222.30 Regular price $0.00
MSRP: $293

Special Order

Caleffi 521517A MixCal 3-way Mixing Valve 3/4" PEX crimp w/ Temp Gauge

Caleffi 521517A MixCal 3-way Mixing Valve 3/4" PEX crimp w/ Temp Gauge

SKU #: CALE521517A   |   MPN #: 521517A

Regular price $228.84
Sale price $228.84 Regular price $0.00
MSRP: $300

Special Order

Caleffi 521518A MixCal 3-way Mixing Valve 3/4" Pex Expansion w/ Temp Gauge

Caleffi 521518A MixCal 3-way Mixing Valve 3/4" Pex Expansion w/ Temp Gauge

SKU #: CALE521518A   |   MPN #: 521518A

Regular price $228.84
Sale price $228.84 Regular price $0.00
MSRP: $300

Special Order

Caleffi 521517AC MixCal 3-way Mixing Valve 3/4" PEX crimp w/Check Valves & Temp Gauge

Caleffi 521517AC MixCal 3-way Mixing Valve 3/4" PEX crimp w/Check Valves & Temp Gauge

SKU #: CALE521517AC   |   MPN #: 521517AC

Regular price $253.42
Sale price $253.42 Regular price $0.00
MSRP: $337

Special Order

Caleffi 521600A MixCal 3-way Mixing Valve 1" NPT

Caleffi 521600A MixCal 3-way Mixing Valve 1" NPT

SKU #: CALE521600A   |   MPN #: 521600A

Regular price $238.14
Sale price $238.14 Regular price $0.00
MSRP: $316

Special Order

Caleffi 521607A MixCal 3-way Mixing Valve 1" PEX crimp

Caleffi 521607A MixCal 3-way Mixing Valve 1" PEX crimp

SKU #: CALE521607A   |   MPN #: 521607A

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

Special Order

Caleffi 521617A MixCal 3-way Mixing Valve 1" PEX crimp w/ Temp Gauge

Caleffi 521617A MixCal 3-way Mixing Valve 1" PEX crimp w/ Temp Gauge

SKU #: CALE521617A   |   MPN #: 521617A

Regular price $262.06
Sale price $262.06 Regular price $0.00
MSRP: $350

Special Order

Caleffi 521610AC MixCal 3-way Mixing Valve 1" NPT w/Check Valves & Temp Gauge

Caleffi 521610AC MixCal 3-way Mixing Valve 1" NPT w/Check Valves & Temp Gauge

SKU #: CALE521610AC   |   MPN #: 521610AC

Regular price $292.66
Sale price $292.66 Regular price $0.00
MSRP: $397

Special Order

Caleffi 521618A MixCal 3-way Mixing Valve 1" Pex Expansion w/ Temp Gauge

Caleffi 521618A MixCal 3-way Mixing Valve 1" Pex Expansion w/ Temp Gauge

SKU #: CALE521618A   |   MPN #: 521618A

Regular price $262.06
Sale price $262.06 Regular price $0.00
MSRP: $350

Special Order

Caleffi 521608AC MixCal 3-Way Mixing Valve 1" Pex Expansion w/Check Valves

Caleffi 521608AC MixCal 3-Way Mixing Valve 1" Pex Expansion w/Check Valves

SKU #: CALE521608AC   |   MPN #: 521608AC

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

Special Order

Caleffi 521610A MixCal 3-way Mixing Valve 1" NPT w/ Temp Gauge

Caleffi 521610A MixCal 3-way Mixing Valve 1" NPT w/ Temp Gauge

SKU #: CALE521610A   |   MPN #: 521610A

Regular price $270.74
Sale price $270.74 Regular price $0.00
MSRP: $364

Special Order

Caleffi 533350HA PressCal Compact PRV ASSE 1003, Single Union 3/4" NPT female union in, FNPT out

Caleffi 533350HA PressCal Compact PRV ASSE 1003, Single Union 3/4" NPT female union in, FNPT out

SKU #: CALE533350HA   |   MPN #: 533350HA

Regular price $74.38
Sale price $74.38 Regular price $0.00
MSRP: $80.40

Special Order

Caleffi 521617AC MixCal 3-way Mixing Valve 1" PEX crimp w/Check Valves & Temp Gauge

Caleffi 521617AC MixCal 3-way Mixing Valve 1" PEX crimp w/Check Valves & Temp Gauge

SKU #: CALE521617AC   |   MPN #: 521617AC

Regular price $287.07
Sale price $287.07 Regular price $0.00
MSRP: $387

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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