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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 521500A MixCal 3-way Mixing Valve 3/4" NPT

Caleffi 521500A MixCal 3-way Mixing Valve 3/4" NPT

SKU #: CALE521500A   |   MPN #: 521500A

Regular price $205.59
Sale price $205.59 Regular price $0.00
MSRP: $267

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Caleffi 132992A Balancing 2 Inch NPT Brass

Caleffi 132992A Balancing 2 Inch NPT Brass

SKU #: CALE132992A   |   MPN #: 132992A

Regular price $468.35
Sale price $468.35 Regular price $0.00
MSRP: $621

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Caleffi 551035AC Air Separator 1-1/4 Inch Sweat Brass

Caleffi 551035AC Air Separator 1-1/4 Inch Sweat Brass

SKU #: CALE551035AC   |   MPN #: 551035AC

Regular price $215.05
Sale price $215.05 Regular price $0.00
MSRP: $323

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Caleffi 551054AC Air Separator 2 Inch Sweat Brass

Caleffi 551054AC Air Separator 2 Inch Sweat Brass

SKU #: CALE551054AC   |   MPN #: 551054AC

Regular price $324.11
Sale price $324.11 Regular price $0.00
MSRP: $510

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Caleffi 551028AC Air Separator 1 Inch Sweat Brass

Caleffi 551028AC Air Separator 1 Inch Sweat Brass

SKU #: CALE551028AC   |   MPN #: 551028AC

Regular price $159.97
Sale price $159.97 Regular price $0.00
MSRP: $226

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Caleffi 551066AC Air Separator 1 Inch Press Brass

Caleffi 551066AC Air Separator 1 Inch Press Brass

SKU #: CALE551066AC   |   MPN #: 551066AC

Regular price $182.90
Sale price $182.90 Regular price $0.00
MSRP: $266

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Caleffi 551069AC Air Separator 2 Inch Press Brass

Caleffi 551069AC Air Separator 2 Inch Press Brass

SKU #: CALE551069AC   |   MPN #: 551069AC

Regular price $398.43
Sale price $398.43 Regular price $0.00
MSRP: $637

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Caleffi 551041AC Air Separator 1-1/2 Inch Sweat Brass

Caleffi 551041AC Air Separator 1-1/2 Inch Sweat Brass

SKU #: CALE551041AC   |   MPN #: 551041AC

Regular price $272.66
Sale price $272.66 Regular price $0.00
MSRP: $419

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Caleffi 551067AC Air Separator 1-1/4 Inch Press Brass

Caleffi 551067AC Air Separator 1-1/4 Inch Press Brass

SKU #: CALE551067AC   |   MPN #: 551067AC

Regular price $264.88
Sale price $264.88 Regular price $0.00
MSRP: $406

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Caleffi 551068AC Air Separator 1-1/2 Inch Press Brass

Caleffi 551068AC Air Separator 1-1/2 Inch Press Brass

SKU #: CALE551068AC   |   MPN #: 551068AC

Regular price $331.93
Sale price $331.93 Regular price $0.00
MSRP: $522

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Caleffi 127166AFC 1G0 FlowCal+ PIBV Low Lead 1" press w/ Check 1 GPM

Caleffi 127166AFC 1G0 FlowCal+ PIBV Low Lead 1" press w/ Check 1 GPM

SKU #: CALE127166AFC1G0   |   MPN #: 127166AFC 1G0

Regular price $165.03
Sale price $165.03 Regular price $0.00
MSRP: $206

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Caleffi FlowCal+ PIBV 1" PEX Expansion 0.5 GPM w/ Check & Gauge 127164AFC-G50

Caleffi FlowCal+ PIBV 1" PEX Expansion 0.5 GPM w/ Check & Gauge 127164AFC-G50

SKU #: CALE127164AFCG50   |   MPN #: 127164AFC G50

Regular price $157.34
Sale price $157.34 Regular price $0.00
MSRP: $195

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Caleffi 127166AFC 2G0 FlowCal+ PIBV Low Lead 1" press w/ Check 2 GPM

Caleffi 127166AFC 2G0 FlowCal+ PIBV Low Lead 1" press w/ Check 2 GPM

SKU #: CALE127166AFC2G0   |   MPN #: 127166AFC 2G0

Regular price $171.13
Sale price $171.13 Regular price $0.00
MSRP: $206

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Caleffi 127166AFC 2G5 FlowCal+ PIBV Low Lead 1" press w/ Check 2.5 GPM

Caleffi 127166AFC 2G5 FlowCal+ PIBV Low Lead 1" press w/ Check 2.5 GPM

SKU #: CALE127166AFC2G5   |   MPN #: 127166AFC 2G5

Regular price $171.13
Sale price $171.13 Regular price $0.00
MSRP: $206

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Caleffi 127161AFC 7G0 FlowCal+ PIBV Low Lead 1" NPT w/ Check 7 GPM

Caleffi 127161AFC 7G0 FlowCal+ PIBV Low Lead 1" NPT w/ Check 7 GPM

SKU #: CALE127161AFC7G0   |   MPN #: 127161AFC 7G0

Regular price $158.74
Sale price $158.74 Regular price $0.00
MSRP: $197

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Caleffi 127161AFC 8G0 FlowCal+ PIBV Low Lead 1" NPT w/ Check 8 GPM

Caleffi 127161AFC 8G0 FlowCal+ PIBV Low Lead 1" NPT w/ Check 8 GPM

SKU #: CALE127161AFC8G0   |   MPN #: 127161AFC 8G0

Regular price $158.74
Sale price $158.74 Regular price $0.00
MSRP: $197

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Caleffi 127161AFC 9G0 FlowCal+ PIBV Low Lead 1" NPT w/ Check 9 GPM

Caleffi 127161AFC 9G0 FlowCal+ PIBV Low Lead 1" NPT w/ Check 9 GPM

SKU #: CALE127161AFC9G0   |   MPN #: 127161AFC 9G0

Regular price $158.74
Sale price $158.74 Regular price $0.00
MSRP: $197

Special Order

Caleffi 127161AFC G50 FlowCal+ PIBV Low Lead 1" NPT w/ Check .5 GPM

Caleffi 127161AFC G50 FlowCal+ PIBV Low Lead 1" NPT w/ Check .5 GPM

SKU #: CALE127161AFCG50   |   MPN #: 127161AFC G50

Regular price $158.74
Sale price $158.74 Regular price $0.00
MSRP: $197

Special Order

Caleffi 127161AFC 4G5 FlowCal+ PIBV Low Lead 1" NPT w/ Check 4.5 GPM

Caleffi 127161AFC 4G5 FlowCal+ PIBV Low Lead 1" NPT w/ Check 4.5 GPM

SKU #: CALE127161AFC4G5   |   MPN #: 127161AFC 4G5

Regular price $164.84
Sale price $164.84 Regular price $0.00
MSRP: $197

Special Order

Caleffi FlowCal+ PIBV 1" PEX Expansion 2 GPM w/ Check 127162AFC-2G0

Caleffi FlowCal+ PIBV 1" PEX Expansion 2 GPM w/ Check 127162AFC-2G0

SKU #: CALE127162AFC2G0   |   MPN #: 127162AFC 2G0

Regular price $163.44
Sale price $163.44 Regular price $0.00
MSRP: $195

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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