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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 682540A 1/2" PEX-AL-PEX Fitting

Caleffi 682540A 1/2" PEX-AL-PEX Fitting

SKU #: CALE682540A   |   MPN #: 682540A

Regular price $22.87
Sale price $22.87 Regular price $0.00
MSRP: $22.87

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Caleffi 682545A 5/8" PEX-AL-PEX Fitting

Caleffi 682545A 5/8" PEX-AL-PEX Fitting

SKU #: CALE682545A   |   MPN #: 682545A

Regular price $23.36
Sale price $23.36 Regular price $0.00
MSRP: $23.36

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Caleffi R31981 1/2" NPT Male Fitting

Caleffi R31981 1/2" NPT Male Fitting

SKU #: CALER31981   |   MPN #: R31981

Regular price $23.57
Sale price $23.57 Regular price $0.00
MSRP: $23.57

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Caleffi 549596A SEP4 4-in-1 Magnetic Hydraulic Separators, 1" Sweat Union

Caleffi 549596A SEP4 4-in-1 Magnetic Hydraulic Separators, 1" Sweat Union

SKU #: CALE549596A   |   MPN #: 549596A

Regular price $651.26
Sale price $651.26 Regular price $0.00
MSRP: $914

Available in stock

Caleffi NA545396 DIRTMAG Composite Dirt Separator with Magnet - 1-in Union Sweat

Caleffi NA545396 DIRTMAG Composite Dirt Separator with Magnet - 1-in Union Sweat

SKU #: CALENA545396   |   MPN #: NA545396

Regular price $206.63
Sale price $206.63 Regular price $0.00
MSRP: $287

Available in stock

Caleffi 549597A SEP4 4-in-1 Magnetic Hydraulic Separators, 1-1/4" Sweat Union

Caleffi 549597A SEP4 4-in-1 Magnetic Hydraulic Separators, 1-1/4" Sweat Union

SKU #: CALE549597A   |   MPN #: 549597A

Regular price $751.71
Sale price $751.71 Regular price $0.00
MSRP: $1,114

Available in stock

Caleffi NA545366 DIRTMAG Composite Dirt Separator with Magnet - 1-in Press

Caleffi NA545366 DIRTMAG Composite Dirt Separator with Magnet - 1-in Press

SKU #: CALENA545366   |   MPN #: NA545366

Regular price $229.45
Sale price $229.45 Regular price $0.00
MSRP: $339

Available in stock

Caleffi 546328AM DirtMagPRO 1" sweat

Caleffi 546328AM DirtMagPRO 1" sweat

SKU #: CALE546328AM   |   MPN #: 546328AM

Regular price $173.24
Sale price $173.24 Regular price $0.00
MSRP: $276

Available in stock

Caleffi NA573022 Autofill Combo 1/2" NPT w/Filter & Gauge

Caleffi NA573022 Autofill Combo 1/2" NPT w/Filter & Gauge

SKU #: CALENA573022   |   MPN #: NA573022

Regular price $324.15
Sale price $324.15 Regular price $0.00
MSRP: $510

Available in stock

Caleffi 546354AM DirtMagPRO 2" sweat

SKU #: CALE546354AM   |   MPN #: 546354AM

Regular price $395.08
Sale price $395.08 Regular price $0.00
MSRP: $639

Available in stock

Caleffi 548008A Hydroseparator 1-1/2" NPT Union

Caleffi 548008A Hydroseparator 1-1/2" NPT Union

SKU #: CALE548008A   |   MPN #: 548008A

Regular price $727.48
Sale price $727.48 Regular price $0.00
MSRP: $1,009

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Caleffi NA573102 Replacement Filter for Autofill Combo

Caleffi NA573102 Replacement Filter for Autofill Combo

SKU #: CALENA573102   |   MPN #: NA573102

Regular price $102.03
Sale price $102.03 Regular price $0.00
MSRP: $118

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Caleffi NA545305 DIRTMAG Composite Dirt Separator with Magnet - 3/4-in Union NPT

Caleffi NA545305 DIRTMAG Composite Dirt Separator with Magnet - 3/4-in Union NPT

SKU #: CALENA545305   |   MPN #: NA545305

Regular price $194.77
Sale price $194.77 Regular price $0.00
MSRP: $261

Special Order

Caleffi NA545365 DIRTMAG Composite Dirt Separator with Magnet - 3/4-in Press

Caleffi NA545365 DIRTMAG Composite Dirt Separator with Magnet - 3/4-in Press

SKU #: CALENA545365   |   MPN #: NA545365

Regular price $209.24
Sale price $209.24 Regular price $0.00
MSRP: $284

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Caleffi NA545306 DIRTMAG Composite Dirt Separator with Magnet - 1-in Union NPT

Caleffi NA545306 DIRTMAG Composite Dirt Separator with Magnet - 1-in Union NPT

SKU #: CALENA545306   |   MPN #: NA545306

Regular price $219.94
Sale price $219.94 Regular price $0.00
MSRP: $301

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Caleffi NA545395 DIRTMAG Composite Dirt Separator with Magnet - 3/4-in Union Sweat

Caleffi NA545395 DIRTMAG Composite Dirt Separator with Magnet - 3/4-in Union Sweat

SKU #: CALENA545395   |   MPN #: NA545395

Regular price $194.14
Sale price $194.14 Regular price $0.00
MSRP: $260

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Caleffi NA573100 Filter Housing Assembly for Autofills

SKU #: CALENA573100   |   MPN #: NA573100

Regular price $184.88
Sale price $184.88 Regular price $0.00
MSRP: $232

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Caleffi 546308AM DirtMagPRO 1-1/2" FNPT

Caleffi 546308AM DirtMagPRO 1-1/2" FNPT

SKU #: CALE546308AM   |   MPN #: 546308AM

Regular price $380.17
Sale price $380.17 Regular price $0.00
MSRP: $551

Special Order

Caleffi 546307AM DirtMagPRO 1-1/4" FNPT

Caleffi 546307AM DirtMagPRO 1-1/4" FNPT

SKU #: CALE546307AM   |   MPN #: 546307AM

Regular price $298.38
Sale price $298.38 Regular price $0.00
MSRP: $420

Special Order

Caleffi 546306AM DirtMagPRO 1" FNPT

Caleffi 546306AM DirtMagPRO 1" FNPT

SKU #: CALE546306AM   |   MPN #: 546306AM

Regular price $213.89
Sale price $213.89 Regular price $0.00
MSRP: $289

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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