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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 676758A 3/4" PEX expansion union TwisTop+ assy

Caleffi 676758A 3/4" PEX expansion union TwisTop+ assy

SKU #: CALE676758A   |   MPN #: 676758A

Regular price $201.90
Sale price $201.90 Regular price $0.00
MSRP: $266

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Caleffi 676756A 3/4" press union TwisTop+ assy

Caleffi 676756A 3/4" press union TwisTop+ assy

SKU #: CALE676756A   |   MPN #: 676756A

Regular price $207.22
Sale price $207.22 Regular price $0.00
MSRP: $274

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Caleffi Z131000 Z-One 24V,Normally Open Actuator,w/ Switch

Caleffi Z131000 Z-One 24V,Normally Open Actuator,w/ Switch

SKU #: CALEZ131000   |   MPN #: Z131000

Regular price $130.10
Sale price $130.10 Regular price $0.00
MSRP: $160

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Caleffi 676256A Zone Valve 3/4" Press Fit Twist Top w/ES

Caleffi 676256A Zone Valve 3/4" Press Fit Twist Top w/ES

SKU #: CALE676256A   |   MPN #: 676256A

Regular price $190.61
Sale price $190.61 Regular price $0.00
MSRP: $249

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Caleffi 676768A 1" PEX expansion union TwisTop+ assy

Caleffi 676768A 1" PEX expansion union TwisTop+ assy

SKU #: CALE676768A   |   MPN #: 676768A

Regular price $222.50
Sale price $222.50 Regular price $0.00
MSRP: $297

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Caleffi 574012A Automatic Fill 1/2 Inch NPT Brass

Caleffi 574012A Automatic Fill 1/2 Inch NPT Brass

SKU #: CALE574012A   |   MPN #: 574012A

Regular price $394.44
Sale price $394.44 Regular price $0.00
MSRP: $594

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Caleffi Z136000 Z-One 120V,Normally Open Actuator,w/ Switch

Caleffi Z136000 Z-One 120V,Normally Open Actuator,w/ Switch

SKU #: CALEZ136000   |   MPN #: Z136000

Regular price $127.27
Sale price $127.27 Regular price $0.00
MSRP: $160

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Caleffi 574206A COMBO AutoFill 1/2" Press Inlet X 1/2" Press Outlet ASSE 1013

Caleffi 574206A COMBO AutoFill 1/2" Press Inlet X 1/2" Press Outlet ASSE 1013

SKU #: CALE574206A   |   MPN #: 574206A

Regular price $440.93
Sale price $440.93 Regular price $0.00
MSRP: $605

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Caleffi 574151A Automatic Fill 3/4 Inch NPT Brass

Caleffi 574151A Automatic Fill 3/4 Inch NPT Brass

SKU #: CALE574151A   |   MPN #: 574151A

Regular price $459.24
Sale price $459.24 Regular price $0.00
MSRP: $705

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Caleffi 59977 Upstream check valve for 574004A

Caleffi 59977 Upstream check valve for 574004A

SKU #: CALE59977   |   MPN #: 59977

Regular price $29.29
Sale price $29.29 Regular price $0.00
MSRP: $29.29

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Caleffi 59979 Downstream check valve for 574004A

Caleffi 59979 Downstream check valve for 574004A

SKU #: CALE59979   |   MPN #: 59979

Regular price $31.84
Sale price $31.84 Regular price $0.00
MSRP: $31.84

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Caleffi 59978 Discharge valve assembly for 574004A

Caleffi 59978 Discharge valve assembly for 574004A

SKU #: CALE59978   |   MPN #: 59978

Regular price $45.98
Sale price $45.98 Regular price $0.00
MSRP: $49

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Caleffi 535761HA PressCal PRV ASSE 1003, 1" PEX Crimp w/ Pressure Gauge

Caleffi 535761HA PressCal PRV ASSE 1003, 1" PEX Crimp w/ Pressure Gauge

SKU #: CALE535761HA   |   MPN #: 535761HA

Regular price $169.01
Sale price $169.01 Regular price $0.00
MSRP: $213

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Caleffi 535940HA PressCal PRV ASSE 1003, 1/2" Sweat

Caleffi 535940HA PressCal PRV ASSE 1003, 1/2" Sweat

SKU #: CALE535940HA   |   MPN #: 535940HA

Regular price $119.00
Sale price $119.00 Regular price $0.00
MSRP: $139

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Caleffi 561402A Discal Check Valve 1/2" NPT

Caleffi 561402A Discal Check Valve 1/2" NPT

SKU #: CALE561402A   |   MPN #: 561402A

Regular price $21.69
Sale price $21.69 Regular price $0.00
MSRP: $21.69

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Caleffi 574156A Automatic Fill 3/4 Inch Press Brass

Caleffi 574156A Automatic Fill 3/4 Inch Press Brass

SKU #: CALE574156A   |   MPN #: 574156A

Regular price $533.11
Sale price $533.11 Regular price $0.00
MSRP: $749

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Caleffi 535960HA PressCal PRV ASSE 1003, 1" Sweat

Caleffi 535960HA PressCal PRV ASSE 1003, 1" Sweat

SKU #: CALE535960HA   |   MPN #: 535960HA

Regular price $161.78
Sale price $161.78 Regular price $0.00
MSRP: $199

Special Order

Caleffi 535971HA Pressure Reducing 1-1/4 Inch Sweat Brass

Caleffi 535971HA Pressure Reducing 1-1/4 Inch Sweat Brass

SKU #: CALE535971HA   |   MPN #: 535971HA

Regular price $328.45
Sale price $328.45 Regular price $0.00
MSRP: $453

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Caleffi 574167A 1" press x 1" NPT male union

Caleffi 574167A 1" press x 1" NPT male union

SKU #: CALE574167A   |   MPN #: 574167A

Regular price $538.36
Sale price $538.36 Regular price $0.00
MSRP: $764

Special Order

Caleffi 574157A Automatic Fill 3/4 Inch Brass

Caleffi 574157A Automatic Fill 3/4 Inch Brass

SKU #: CALE574157A   |   MPN #: 574157A

Regular price $477.02
Sale price $477.02 Regular price $0.00
MSRP: $727

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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