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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 Z307537 Z-One 3-Way valve body, 3/4", Sweat, 5.0 Cv, 25 PSI P

Caleffi Z307537 Z-One 3-Way valve body, 3/4", Sweat, 5.0 Cv, 25 PSI P

SKU #: CALEZ307537   |   MPN #: Z307537

Regular price $98.07
Sale price $98.07 Regular price $0.00
MSRP: $124

Special Order

Caleffi Z300687 Z-One 3-Way valve body, 1", Male Union, 7.5 Cv, 20 PSI P

Caleffi Z300687 Z-One 3-Way valve body, 1", Male Union, 7.5 Cv, 20 PSI P

SKU #: CALEZ300687   |   MPN #: Z300687

Regular price $92.15
Sale price $92.15 Regular price $0.00
MSRP: $111

Special Order

Caleffi Z300737 Z-One 3-Way valve body, 1 1/4", Sweat, 7.5 Cv, 20 PSI P

Caleffi Z300737 Z-One 3-Way valve body, 1 1/4", Sweat, 7.5 Cv, 20 PSI P

SKU #: CALEZ300737   |   MPN #: Z300737

Regular price $144.29
Sale price $144.29 Regular price $0.00
MSRP: $181

Special Order

Caleffi CBN116140 Insulation jacket for 1161, 1162, 1163, 1/2", 3/4"

Caleffi CBN116140 Insulation jacket for 1161, 1162, 1163, 1/2", 3/4"

SKU #: CALECBN116140   |   MPN #: CBN116140

Regular price $44.23
Sale price $44.23 Regular price $0.00
MSRP: $44.40

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Caleffi 536063A Pressure Reducing 1 Inch NPT Brass

Caleffi 536063A Pressure Reducing 1 Inch NPT Brass

SKU #: CALE536063A103   |   MPN #: 536063A 103

Regular price $428.44
Sale price $428.44 Regular price $0.00
MSRP: $599

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Caleffi 127341AF 1G3 FlowCal PIBV Low Lead 1/2" NPT 1.3 GPM

Caleffi 127341AF 1G3 FlowCal PIBV Low Lead 1/2" NPT 1.3 GPM

SKU #: CALE127341AF1G3   |   MPN #: 127341AF 1G3

Regular price $121.51
Sale price $121.51 Regular price $0.00
MSRP: $140

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Caleffi 127341AF 1G5 FlowCal PIBV Low Lead 1/2" NPT 1.5 GPM

Caleffi 127341AF 1G5 FlowCal PIBV Low Lead 1/2" NPT 1.5 GPM

SKU #: CALE127341AF1G5   |   MPN #: 127341AF 1G5

Regular price $118.88
Sale price $118.88 Regular price $0.00
MSRP: $140

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Caleffi 127344AF 1G3 FlowCal PIBV Low Lead 1/2" PEX crimp 1.3 GPM

Caleffi 127344AF 1G3 FlowCal PIBV Low Lead 1/2" PEX crimp 1.3 GPM

SKU #: CALE127344AF1G3   |   MPN #: 127344AF 1G3

Regular price $113.29
Sale price $113.29 Regular price $0.00
MSRP: $132

Special Order

Caleffi CBN116440 Insulation jacket for 1164, 1/2", 3/4"

Caleffi CBN116440 Insulation jacket for 1164, 1/2", 3/4"

SKU #: CALECBN116440   |   MPN #: CBN116440

Regular price $43.58
Sale price $43.58 Regular price $0.00
MSRP: $43.60

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Caleffi Z161000 Actuator Terminal Block no Switch

Caleffi Z161000 Actuator Terminal Block no Switch

SKU #: CALEZ161000   |   MPN #: Z161000

Regular price $114.06
Sale price $114.06 Regular price $0.00
MSRP: $137

Special Order

Caleffi Z200053 Z-One 2-Way valve body, 1/2", SAE Flare, 3.5 Cv, 35 PSI P

Caleffi Z200053 Z-One 2-Way valve body, 1/2", SAE Flare, 3.5 Cv, 35 PSI P

SKU #: CALEZ200053   |   MPN #: Z200053

Regular price $71.59
Sale price $71.59 Regular price $0.00
MSRP: $82.20

Special Order

Caleffi Z200043 Z-One 2-Way valve body, Inverted Flare, 3.5 Cv, 30 PSI P

Caleffi Z200043 Z-One 2-Way valve body, Inverted Flare, 3.5 Cv, 30 PSI P

SKU #: CALEZ200043   |   MPN #: Z200043

Regular price $58.77
Sale price $58.77 Regular price $0.00
MSRP: $64.30

Special Order

Caleffi Z200413 Z-One 2-Way valve body, 1/2", NPT, 3.5 Cv, 30 PSI P

Caleffi Z200413 Z-One 2-Way valve body, 1/2", NPT, 3.5 Cv, 30 PSI P

SKU #: CALEZ200413   |   MPN #: Z200413

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

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Caleffi Z200041 Valve Body

Caleffi Z200041 Valve Body

SKU #: CALEZ200041   |   MPN #: Z200041

Regular price $58.86
Sale price $58.86 Regular price $0.00
MSRP: $64.30

Special Order

Caleffi Z200411 Z-One 2-Way valve body, 1/2", NPT, 1.0 Cv, 35 PSI P

Caleffi Z200411 Z-One 2-Way valve body, 1/2", NPT, 1.0 Cv, 35 PSI P

SKU #: CALEZ200411   |   MPN #: Z200411

Regular price $58.98
Sale price $58.98 Regular price $0.00
MSRP: $64.30

Special Order

Caleffi Z200431 Z-One 2-Way valve body, 1/2", Sweat, 1.0 Cv, 30 PSI P

Caleffi Z200431 Z-One 2-Way valve body, 1/2", Sweat, 1.0 Cv, 30 PSI P

SKU #: CALEZ200431   |   MPN #: Z200431

Regular price $54.92
Sale price $54.92 Regular price $0.00
MSRP: $58.90

Special Order

Caleffi Z200042 Z-One 2-Way valve body, Inverted Flare, 2.5 Cv, 50 PSI P

Caleffi Z200042 Z-One 2-Way valve body, Inverted Flare, 2.5 Cv, 50 PSI P

SKU #: CALEZ200042   |   MPN #: Z200042

Regular price $58.81
Sale price $58.81 Regular price $0.00
MSRP: $64.30

Special Order

Caleffi Z200515 Z-One 2-Way valve body, 3/4", NPT, 5.0 Cv, 25 PSI P

Caleffi Z200515 Z-One 2-Way valve body, 3/4", NPT, 5.0 Cv, 25 PSI P

SKU #: CALEZ200515   |   MPN #: Z200515

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

Special Order

Caleffi Z200432 Z-One 2-Way valve body, 1/2", Sweat, 2.5 Cv, 50 PSI P

Caleffi Z200432 Z-One 2-Way valve body, 1/2", Sweat, 2.5 Cv, 50 PSI P

SKU #: CALEZ200432   |   MPN #: Z200432

Regular price $54.86
Sale price $54.86 Regular price $0.00
MSRP: $58.90

Special Order

Caleffi Z146000 Z-One 120V,Normally Open Actuator,w/o Switch

Caleffi Z146000 Z-One 120V,Normally Open Actuator,w/o Switch

SKU #: CALEZ146000   |   MPN #: Z146000

Regular price $121.29
Sale price $121.29 Regular price $0.00
MSRP: $147

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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