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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 538402 FD 25V024 - Drain Valve 050 X GH

Caleffi 538402 FD 25V024 - Drain Valve 050 X GH

SKU #: CALE538402FD   |   MPN #: 538402 FD

Regular price $23.66
Sale price $23.66 Regular price $0.00
MSRP: $23.66

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Caleffi 551004A Automatic Air Vent 1/2 Inch NPT Brass

Caleffi 551004A Automatic Air Vent 1/2 Inch NPT Brass

SKU #: CALE551004A   |   MPN #: 551004A

Regular price $92.75
Sale price $92.75 Regular price $0.00
MSRP: $125

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Caleffi 538202 FD 25V023-Drain Valve 1/4" NPT x GH

Caleffi 538202 FD 25V023-Drain Valve 1/4" NPT x GH

SKU #: CALE538202FD   |   MPN #: 538202 FD

Regular price $23.25
Sale price $23.25 Regular price $0.00
MSRP: $23.25

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Caleffi 536083A 109 PressCal HP PRV ASSE 1003 Dual Union 1-1/2" sweat

Caleffi 536083A 109 PressCal HP PRV ASSE 1003 Dual Union 1-1/2" sweat

SKU #: CALE536083A109   |   MPN #: 536083A 109

Regular price $673.58
Sale price $673.58 Regular price $0.00
MSRP: $968

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Caleffi 536093A Pressure Reducing 2 Inch NPT Brass

Caleffi 536093A Pressure Reducing 2 Inch NPT Brass

SKU #: CALE536093A103   |   MPN #: 536093A 103

Regular price $900.12
Sale price $900.12 Regular price $0.00
MSRP: $1,309

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Caleffi 551008AC Air Separator 1-1/2 Inch NPT Brass

Caleffi 551008AC Air Separator 1-1/2 Inch NPT Brass

SKU #: CALE551008AC   |   MPN #: 551008AC

Regular price $283.97
Sale price $283.97 Regular price $0.00
MSRP: $440

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Caleffi 536093A 109 PressCal HP PRV ASSE 1003 Dual Union 2" sweat

Caleffi 536093A 109 PressCal HP PRV ASSE 1003 Dual Union 2" sweat

SKU #: CALE536093A109   |   MPN #: 536093A 109

Regular price $857.60
Sale price $857.60 Regular price $0.00
MSRP: $1,245

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Caleffi 521410AC MixCal 3-way Mixing Valve 1/2" NPT w/Check Valves & Temp Gauge

Caleffi 521410AC MixCal 3-way Mixing Valve 1/2" NPT w/Check Valves & Temp Gauge

SKU #: CALE521410AC   |   MPN #: 521410AC

Regular price $244.78
Sale price $244.78 Regular price $0.00
MSRP: $324

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Caleffi 551009A DISCAL Air Separator 2" NPT

Caleffi 551009A DISCAL Air Separator 2" NPT

SKU #: CALE551009A   |   MPN #: 551009A

Regular price $334.24
Sale price $334.24 Regular price $0.00
MSRP: $527

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Caleffi 551022AC Air Separator 3/4 Inch Sweat Brass

Caleffi 551022AC Air Separator 3/4 Inch Sweat Brass

SKU #: CALE551022AC   |   MPN #: 551022AC

Regular price $109.11
Sale price $109.11 Regular price $0.00
MSRP: $144

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Caleffi 521416A MixCal 3-way Mixing Valve 1/2" Press w/ Temp Gauge

Caleffi 521416A MixCal 3-way Mixing Valve 1/2" Press w/ Temp Gauge

SKU #: CALE521416A   |   MPN #: 521416A

Regular price $232.83
Sale price $232.83 Regular price $0.00
MSRP: $306

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Caleffi 551765A DISCAL Rotating Collar Air Separator 3/4" Press Union

Caleffi 551765A DISCAL Rotating Collar Air Separator 3/4" Press Union

SKU #: CALE551765A   |   MPN #: 551765A

Regular price $233.70
Sale price $233.70 Regular price $0.00
MSRP: $352

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Caleffi 519709A Different. Bypass 1-1/4" NPT w/1-1/4"SWT

Caleffi 519709A Different. Bypass 1-1/4" NPT w/1-1/4"SWT

SKU #: CALE519709A   |   MPN #: 519709A

Regular price $240.88
Sale price $240.88 Regular price $0.00
MSRP: $308

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Caleffi 127369AF 8G0 FlowCal PIBV Low Lead 1" Sweat 8 GPM

Caleffi 127369AF 8G0 FlowCal PIBV Low Lead 1" Sweat 8 GPM

SKU #: CALE127369AF8G0   |   MPN #: 127369AF 8G0

Regular price $132.87
Sale price $132.87 Regular price $0.00
MSRP: $160

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Caleffi 127369AF 7G0 FlowCal PIBV Low Lead 1" Sweat 7 GPM

Caleffi 127369AF 7G0 FlowCal PIBV Low Lead 1" Sweat 7 GPM

SKU #: CALE127369AF7G0   |   MPN #: 127369AF 7G0

Regular price $132.87
Sale price $132.87 Regular price $0.00
MSRP: $160

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Caleffi 127369AF 9G0 FlowCal PIBV Low Lead 1" Sweat 9 GPM

Caleffi 127369AF 9G0 FlowCal PIBV Low Lead 1" Sweat 9 GPM

SKU #: CALE127369AF9G0   |   MPN #: 127369AF 9G0

Regular price $132.87
Sale price $132.87 Regular price $0.00
MSRP: $160

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Caleffi 127369AF G35 FlowCal PIBV Low Lead 1" Sweat .35 GPM

Caleffi 127369AF G35 FlowCal PIBV Low Lead 1" Sweat .35 GPM

SKU #: CALE127369AFG35   |   MPN #: 127369AF G35

Regular price $132.87
Sale price $132.87 Regular price $0.00
MSRP: $160

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Caleffi 130500A Balancing 3/4 Inch NPT Brass

Caleffi 130500A Balancing 3/4 Inch NPT Brass

SKU #: CALE130500A   |   MPN #: 130500A

Regular price $158.48
Sale price $158.48 Regular price $0.00
MSRP: $191

Special Order

Caleffi 127369AF G75 FlowCal PIBV Low Lead 1" Sweat .75 GPM

Caleffi 127369AF G75 FlowCal PIBV Low Lead 1" Sweat .75 GPM

SKU #: CALE127369AFG75   |   MPN #: 127369AF G75

Regular price $132.87
Sale price $132.87 Regular price $0.00
MSRP: $160

Special Order

Caleffi 130700A Balancing 1-1/4 Inch NPT Brass

Caleffi 130700A Balancing 1-1/4 Inch NPT Brass

SKU #: CALE130700A   |   MPN #: 130700A

Regular price $225.86
Sale price $225.86 Regular price $0.00
MSRP: $283

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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