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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 546368AM DirtMagPRO 1-1/2" press

Caleffi 546368AM DirtMagPRO 1-1/2" press

SKU #: CALE546368AM   |   MPN #: 546368AM

Regular price $444.08
Sale price $444.08 Regular price $0.00
MSRP: $626

Special Order

Caleffi 546369AM DirtMagPRO 2" press

Caleffi 546369AM DirtMagPRO 2" press

SKU #: CALE546369AM   |   MPN #: 546369AM

Regular price $534.35
Sale price $534.35 Regular price $0.00
MSRP: $765

Special Order

Caleffi 546367AM DirtMagPRO 1-1/4" press

Caleffi 546367AM DirtMagPRO 1-1/4" press

SKU #: CALE546367AM   |   MPN #: 546367AM

Regular price $338.25
Sale price $338.25 Regular price $0.00
MSRP: $481

Special Order

Caleffi 548007A Hydroseparator 1-1/4" NPT Union

Caleffi 548007A Hydroseparator 1-1/4" NPT Union

SKU #: CALE548007A   |   MPN #: 548007A

Regular price $563.45
Sale price $563.45 Regular price $0.00
MSRP: $770

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Caleffi 546309AM DirtMagPRO 2" FNPT

Caleffi 546309AM DirtMagPRO 2" FNPT

SKU #: CALE546309AM   |   MPN #: 546309AM

Regular price $450.28
Sale price $450.28 Regular price $0.00
MSRP: $661

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Caleffi 548006A Hydroseparator 1" NPT Union

Caleffi 548006A Hydroseparator 1" NPT Union

SKU #: CALE548006A   |   MPN #: 548006A

Regular price $473.09
Sale price $473.09 Regular price $0.00
MSRP: $642

Special Order

Caleffi 548096A Hydro Separator 1" Sweat Union

Caleffi 548096A Hydro Separator 1" Sweat Union

SKU #: CALE548096A   |   MPN #: 548096A

Regular price $450.08
Sale price $450.08 Regular price $0.00
MSRP: $609

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Caleffi 548066A Hydro Separator 1" Press Union

Caleffi 548066A Hydro Separator 1" Press Union

SKU #: CALE548066A   |   MPN #: 548066A

Regular price $502.56
Sale price $502.56 Regular price $0.00
MSRP: $688

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Caleffi 548097A Hydro Separator 1 1/4" Sweat Union

Caleffi 548097A Hydro Separator 1 1/4" Sweat Union

SKU #: CALE548097A   |   MPN #: 548097A

Regular price $539.54
Sale price $539.54 Regular price $0.00
MSRP: $734

Special Order

Caleffi 548067A Hydro Separator 1-1/4" Press Union

Caleffi 548067A Hydro Separator 1-1/4" Press Union

SKU #: CALE548067A   |   MPN #: 548067A

Regular price $634.10
Sale price $634.10 Regular price $0.00
MSRP: $876

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Caleffi 548098A Hydro Separator 1 1/2" Sweat Union

Caleffi 548098A Hydro Separator 1 1/2" Sweat Union

SKU #: CALE548098A   |   MPN #: 548098A

Regular price $695.59
Sale price $695.59 Regular price $0.00
MSRP: $961

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Caleffi 549506A SEP 4 4-in-1 Union 1" NPT

Caleffi 549506A SEP 4 4-in-1 Union 1" NPT

SKU #: CALE549506A   |   MPN #: 549506A

Regular price $681.22
Sale price $681.22 Regular price $0.00
MSRP: $950

Special Order

Caleffi 549566A SEP 4 4-in-1 Union 1" Press

Caleffi 549566A SEP 4 4-in-1 Union 1" Press

SKU #: CALE549566A   |   MPN #: 549566A

Regular price $718.56
Sale price $718.56 Regular price $0.00
MSRP: $1,000

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Caleffi 551003AC DISCAL Air Separator 3/4" NPT Compact w/ Expansion Tank Check

Caleffi 551003AC DISCAL Air Separator 3/4" NPT Compact w/ Expansion Tank Check

SKU #: CALE551003AC   |   MPN #: 551003AC

Regular price $111.38
Sale price $111.38 Regular price $0.00
MSRP: $148

Special Order

Caleffi 551003A DISCAL Air Separator 3/4" NPT Compact

Caleffi 551003A DISCAL Air Separator 3/4" NPT Compact

SKU #: CALE551003A   |   MPN #: 551003A

Regular price $107.41
Sale price $107.41 Regular price $0.00
MSRP: $141

Special Order

Caleffi 546016A DISCALDIRT Air & Dirt Separator - 1-in NPT Male

Caleffi 546016A DISCALDIRT Air & Dirt Separator - 1-in NPT Male

SKU #: CALE546016A   |   MPN #: 546016A

Regular price $299.80
Sale price $299.80 Regular price $0.00
MSRP: $464

Special Order

Caleffi 546097A DISCALDIRT Air & Dirt Separator - 1-1/4-in Sweat

Caleffi 546097A DISCALDIRT Air & Dirt Separator - 1-1/4-in Sweat

SKU #: CALE546097A   |   MPN #: 546097A

Regular price $336.17
Sale price $336.17 Regular price $0.00
MSRP: $527

Special Order

Caleffi 546096A DISCALDIRT Air & Dirt Separator - 1-in Sweat Male

Caleffi 546096A DISCALDIRT Air & Dirt Separator - 1-in Sweat Male

SKU #: CALE546096A   |   MPN #: 546096A

Regular price $287.11
Sale price $287.11 Regular price $0.00
MSRP: $442

Special Order

Caleffi 546166A DISCAL DIRTMAG Air & Dirt Separator with Magnet - 1-in Press

Caleffi 546166A DISCAL DIRTMAG Air & Dirt Separator with Magnet - 1-in Press

SKU #: CALE546166A   |   MPN #: 546166A

Regular price $412.71
Sale price $412.71 Regular price $0.00
MSRP: $599

Special Order

Caleffi 546167A DISCAL DIRTMAG Air & Dirt Separator with Magnet - 1-1/4-in Press

Caleffi 546167A DISCAL DIRTMAG Air & Dirt Separator with Magnet - 1-1/4-in Press

SKU #: CALE546167A   |   MPN #: 546167A

Regular price $512.32
Sale price $512.32 Regular price $0.00
MSRP: $756

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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