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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 502040A MINICAL Automatic air vent 1/2" NPT Male

Caleffi 502040A MINICAL Automatic air vent 1/2" NPT Male

SKU #: CALE502040A   |   MPN #: 502040A

Regular price $23.31
Sale price $23.31 Regular price $0.00
MSRP: $23.31

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Caleffi 502115A Automatic Air Vent 1/8 Inch NPT Brass

Caleffi 502115A Automatic Air Vent 1/8 Inch NPT Brass

SKU #: CALE502115A   |   MPN #: 502115A

Regular price $28.36
Sale price $28.36 Regular price $0.00
MSRP: $29.10

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Caleffi 502720A ROBOCAL Automatic air vent 1/4" With check

Caleffi 502720A ROBOCAL Automatic air vent 1/4" With check

SKU #: CALE502720A   |   MPN #: 502720A

Regular price $27.80
Sale price $27.80 Regular price $0.00
MSRP: $28.30

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Caleffi 502043A Automatic Air Vent 1/2 Inch NPT Brass

Caleffi 502043A Automatic Air Vent 1/2 Inch NPT Brass

SKU #: CALE502043A   |   MPN #: 502043A

Regular price $29.87
Sale price $29.87 Regular price $0.00
MSRP: $30.50

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Caleffi 502043CST Automatic Air Vent 1/2 Inch Brass

Caleffi 502043CST Automatic Air Vent 1/2 Inch Brass

SKU #: CALE502043CST   |   MPN #: 502043 CST

Regular price $29.33
Sale price $29.33 Regular price $0.00
MSRP: $30.50

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Caleffi 502343A Automatic Air Vent 1/2 Inch NPT Brass

Caleffi 502343A Automatic Air Vent 1/2 Inch NPT Brass

SKU #: CALE502343A   |   MPN #: 502343A

Regular price $53.11
Sale price $53.11 Regular price $0.00
MSRP: $61.70

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Caleffi 502620A ROBOCAL Automatic air vent 1/4"

Caleffi 502620A ROBOCAL Automatic air vent 1/4"

SKU #: CALE502620A   |   MPN #: 502620A

Regular price $22.31
Sale price $22.31 Regular price $0.00
MSRP: $22.31

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Caleffi 502113A Minical 1/8" with Check, hygroscopic cap

Caleffi 502113A Minical 1/8" with Check, hygroscopic cap

SKU #: CALE502113A   |   MPN #: 502113A

Regular price $31.35
Sale price $31.35 Regular price $0.00
MSRP: $33.40

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Caleffi F0000942 Replacement flow meter 3 to 10 GPM

Caleffi F0000942 Replacement flow meter 3 to 10 GPM

SKU #: CALEF0000942   |   MPN #: F0000942

Regular price $120.31
Sale price $120.31 Regular price $0.00
MSRP: $141

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Caleffi F0000940 Replacement flow meter for QS+ 0.5 to 1.75 GPM

Caleffi F0000940 Replacement flow meter for QS+ 0.5 to 1.75 GPM

SKU #: CALEF0000940   |   MPN #: F0000940

Regular price $120.31
Sale price $120.31 Regular price $0.00
MSRP: $141

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Caleffi F0000941 Replacement flow meter for QS+ 2.0 to 7.0 GPM

Caleffi F0000941 Replacement flow meter for QS+ 2.0 to 7.0 GPM

SKU #: CALEF0000941   |   MPN #: F0000941

Regular price $120.31
Sale price $120.31 Regular price $0.00
MSRP: $141

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Caleffi F0000944 Replacement flow meter 8 to 32 GPM

Caleffi F0000944 Replacement flow meter 8 to 32 GPM

SKU #: CALEF0000944   |   MPN #: F0000944

Regular price $126.60
Sale price $126.60 Regular price $0.00
MSRP: $150

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Caleffi F0000947 Replacement flow meter 38 to 148 GPM

Caleffi F0000947 Replacement flow meter 38 to 148 GPM

SKU #: CALEF0000947   |   MPN #: F0000947

Regular price $132.20
Sale price $132.20 Regular price $0.00
MSRP: $158

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Caleffi F0000948 Replacement flow meter 55 to 210 GPM

Caleffi F0000948 Replacement flow meter 55 to 210 GPM

SKU #: CALEF0000948   |   MPN #: F0000948

Regular price $132.20
Sale price $132.20 Regular price $0.00
MSRP: $158

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Caleffi F0000945 Replacement flow meter 12 to 50 GPM

Caleffi F0000945 Replacement flow meter 12 to 50 GPM

SKU #: CALEF0000945   |   MPN #: F0000945

Regular price $126.60
Sale price $126.60 Regular price $0.00
MSRP: $150

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Caleffi F0000946 Replacement flow meter 30 to 105 GPM

Caleffi F0000946 Replacement flow meter 30 to 105 GPM

SKU #: CALEF0000946   |   MPN #: F0000946

Regular price $132.20
Sale price $132.20 Regular price $0.00
MSRP: $158

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Caleffi 6686F5S1A IN TwistFlow Radiant Manifold Assembly 6 loop 1" INVERTED

Caleffi 6686F5S1A IN TwistFlow Radiant Manifold Assembly 6 loop 1" INVERTED

SKU #: CALE6686F5S1AIN   |   MPN #: 6686F5S1A IN

Regular price $774.84
Sale price $774.84 Regular price $0.00
MSRP: $1,029

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Caleffi 6687D5S1A TwistFlow Radiant Manifold Assembly 4 loop 1 1/4"

Caleffi 6687D5S1A TwistFlow Radiant Manifold Assembly 4 loop 1 1/4"

SKU #: CALE6687D5S1A   |   MPN #: 6687D5S1A

Regular price $655.45
Sale price $655.45 Regular price $0.00
MSRP: $865

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Caleffi 6687G5S1A IN TwistFlow Radiant Manifold Assembly 7 loop 1 1/4" INVERTED

Caleffi 6687G5S1A IN TwistFlow Radiant Manifold Assembly 7 loop 1 1/4" INVERTED

SKU #: CALE6687G5S1AIN   |   MPN #: 6687G5S1A IN

Regular price $880.94
Sale price $880.94 Regular price $0.00
MSRP: $1,175

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Caleffi 6687H5S1A TwistFlow Radiant Manifold Assembly 8 loop 1 1/4"

Caleffi 6687H5S1A TwistFlow Radiant Manifold Assembly 8 loop 1 1/4"

SKU #: CALE6687H5S1A   |   MPN #: 6687H5S1A

Regular price $954.34
Sale price $954.34 Regular price $0.00
MSRP: $1,281

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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