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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 NA10741 5-pack plug/nut fittings

Caleffi NA10741 5-pack plug/nut fittings

SKU #: CALENA10741   |   MPN #: NA10741

Regular price $24.20
Sale price $24.20 Regular price $0.00
MSRP: $24.20

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Caleffi NA10796 Support bracket for 1-1/2" union 5495, 548

Caleffi NA10796 Support bracket for 1-1/2" union 5495, 548

SKU #: CALENA10796   |   MPN #: NA10796

Regular price $41.85
Sale price $41.85 Regular price $0.00
MSRP: $41.85

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Caleffi NA10616 Replacement Legiomix valve 1-1/2", 2"

Caleffi NA10616 Replacement Legiomix valve 1-1/2", 2"

SKU #: CALENA10616   |   MPN #: NA10616

Regular price $701.94
Sale price $701.94 Regular price $0.00
MSRP: $948

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Caleffi F67037 O-Ring for Gauge Adaptor

Caleffi F67037 O-Ring for Gauge Adaptor

SKU #: CALEF67037   |   MPN #: F67037

Regular price From $11.95
Sale price From $11.95 Regular price $0.00
MSRP: $11.95

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Caleffi NA11338 Replacement hose 3/4" ID

Caleffi NA11338 Replacement hose 3/4" ID

SKU #: CALENA11338   |   MPN #: NA11338

Regular price $69.51
Sale price $69.51 Regular price $0.00
MSRP: $79.40

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Caleffi NA10343 40 VA Transformer Z-one Controls

Caleffi NA10343 40 VA Transformer Z-one Controls

SKU #: CALENA10343   |   MPN #: NA10343

Regular price $62.49
Sale price $62.49 Regular price $0.00
MSRP: $73

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Caleffi F0000435 Magnet/drywell (7-3/4") for 2" and 2-1/2" SEP4

Caleffi F0000435 Magnet/drywell (7-3/4") for 2" and 2-1/2" SEP4

SKU #: CALEF0000435   |   MPN #: F0000435

Regular price $146.36
Sale price $146.36 Regular price $0.00
MSRP: $172

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Caleffi F69294 Repair Kit 3/4" NPT+ all 1" Z2-Z3 Valves

Caleffi F69294 Repair Kit 3/4" NPT+ all 1" Z2-Z3 Valves

SKU #: CALEF69294   |   MPN #: F69294

Regular price $24.74
Sale price $24.74 Regular price $0.00
MSRP: $24.74

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Caleffi F0000349 Magnet/drywell (17-3/8") for 8" to 14" SEP4 and DirtMag (3 req.)

Caleffi F0000349 Magnet/drywell (17-3/8") for 8" to 14" SEP4 and DirtMag (3 req.)

SKU #: CALEF0000349   |   MPN #: F0000349

Regular price $530.59
Sale price $530.59 Regular price $0.00
MSRP: $711

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Caleffi F0001286 Replacement therm bal. cartridge 140F

Caleffi F0001286 Replacement therm bal. cartridge 140F

SKU #: CALEF0001286   |   MPN #: F0001286

Regular price $58.95
Sale price $58.95 Regular price $0.00
MSRP: $64.30

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Caleffi NA10425 Hydro Separator well Sensor assembly

Caleffi NA10425 Hydro Separator well Sensor assembly

SKU #: CALENA10425   |   MPN #: NA10425

Regular price $33.07
Sale price $33.07 Regular price $0.00
MSRP: $33.07

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Caleffi NA10003 3/4" Sweat Fitting Low Lead

Caleffi NA10003 3/4" Sweat Fitting Low Lead

SKU #: CALENA10003   |   MPN #: NA10003

Regular price $19.59
Sale price $19.59 Regular price $0.00
MSRP: $19.59

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Caleffi NA10005 1/2" Sweat Inverted Flare 100pcs/pkg

Caleffi NA10005 1/2" Sweat Inverted Flare 100pcs/pkg

SKU #: CALENA10005   |   MPN #: NA10005

Regular price $16.16
Sale price $16.16 Regular price $0.00
MSRP: $16.16

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Caleffi F59650 Autofill Replacement Cartridge

Caleffi F59650 Autofill Replacement Cartridge

SKU #: CALEF59650   |   MPN #: F59650

Regular price $41.57
Sale price $41.57 Regular price $0.00
MSRP: $43.30

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Caleffi F29571 Dual Temperature Gauge

Caleffi F29571 Dual Temperature Gauge

SKU #: CALEF29571   |   MPN #: F29571

Regular price $35.20
Sale price $35.20 Regular price $0.00
MSRP: $35.20

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Caleffi F29633 Thermo Cartridge 115 Degree F

Caleffi F29633 Thermo Cartridge 115 Degree F

SKU #: CALEF29633   |   MPN #: F29633

Regular price $40.08
Sale price $40.08 Regular price $0.00
MSRP: $40.08

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Caleffi F29634 THERMO CARTRIDGE 130 DEGREE F

Caleffi F29634 THERMO CARTRIDGE 130 DEGREE F

SKU #: CALEF29634   |   MPN #: F29634

Regular price $40.08
Sale price $40.08 Regular price $0.00
MSRP: $40.08

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Caleffi F41661A 5462 DirtCal to 5463 Dirtmag Retro Kit

Caleffi F41661A 5462 DirtCal to 5463 Dirtmag Retro Kit

SKU #: CALEF41661A   |   MPN #: F41661A

Regular price $111.55
Sale price $111.55 Regular price $0.00
MSRP: $140

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Caleffi NA10001 1/2" SWT Fitting for 3/4" Nut

Caleffi NA10001 1/2" SWT Fitting for 3/4" Nut

SKU #: CALENA10001   |   MPN #: NA10001

Regular price $18.29
Sale price $18.29 Regular price $0.00
MSRP: $18.29

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Caleffi NA10002 1/2" Sweat Fitting Low Lead

Caleffi NA10002 1/2" Sweat Fitting Low Lead

SKU #: CALENA10002   |   MPN #: NA10002

Regular price $16.50
Sale price $16.50 Regular price $0.00
MSRP: $16.50

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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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