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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 127141AFC 8G0 FlowCal+ PIBV Low Lead 1/2" NPT w/ Check 8 GPM

Caleffi 127141AFC 8G0 FlowCal+ PIBV Low Lead 1/2" NPT w/ Check 8 GPM

SKU #: CALE127141AFC8G0   |   MPN #: 127141AFC 8G0

Regular price $129.87
Sale price $129.87 Regular price $0.00
MSRP: $147

Special Order

Caleffi 127141AFC 9G0 FlowCal+ PIBV Low Lead 1/2" NPT w/ Check 9 GPM

Caleffi 127141AFC 9G0 FlowCal+ PIBV Low Lead 1/2" NPT w/ Check 9 GPM

SKU #: CALE127141AFC9G0   |   MPN #: 127141AFC 9G0

Regular price $129.87
Sale price $129.87 Regular price $0.00
MSRP: $147

Special Order

Caleffi 127141AFC 7G0 FlowCal+ PIBV Low Lead 1/2" NPT w/ Check 7 GPM

Caleffi 127141AFC 7G0 FlowCal+ PIBV Low Lead 1/2" NPT w/ Check 7 GPM

SKU #: CALE127141AFC7G0   |   MPN #: 127141AFC 7G0

Regular price $129.87
Sale price $129.87 Regular price $0.00
MSRP: $147

Special Order

Caleffi FlowCal+ PIBV 1/2" PEX Expansion 1.5 GPM w/ Check 127142AFC-1G5

Caleffi FlowCal+ PIBV 1/2" PEX Expansion 1.5 GPM w/ Check 127142AFC-1G5

SKU #: CALE127142AFC1G5   |   MPN #: 127142AFC 1G5

Regular price $128.48
Sale price $128.48 Regular price $0.00
MSRP: $145

Special Order

Caleffi FlowCal+ PIBV 1/2" NPT 4.5 GPM w/ Check 127141AFC-4G5

Caleffi FlowCal+ PIBV 1/2" NPT 4.5 GPM w/ Check 127141AFC-4G5

SKU #: CALE127141AFC4G5   |   MPN #: 127141AFC 4G5

Regular price $129.87
Sale price $129.87 Regular price $0.00
MSRP: $147

Special Order

Caleffi FlowCal+ PIBV 1/2" PEX Expansion 1.3 GPM w/ Check 127142AFC-1G3

Caleffi FlowCal+ PIBV 1/2" PEX Expansion 1.3 GPM w/ Check 127142AFC-1G3

SKU #: CALE127142AFC1G3   |   MPN #: 127142AFC 1G3

Regular price $128.48
Sale price $128.48 Regular price $0.00
MSRP: $145

Special Order

Caleffi FlowCal+ PIBV 1/2" PEX Expansion 1.7 GPM w/ Check 127142AFC-1G7

Caleffi FlowCal+ PIBV 1/2" PEX Expansion 1.7 GPM w/ Check 127142AFC-1G7

SKU #: CALE127142AFC1G7   |   MPN #: 127142AFC 1G7

Regular price $128.48
Sale price $128.48 Regular price $0.00
MSRP: $145

Special Order

Caleffi 127142AFC FlowCal+ PIBV Low Lead 1/2" PEX Expansion w/ Check

Caleffi 127142AFC FlowCal+ PIBV Low Lead 1/2" PEX Expansion w/ Check

SKU #: CALE127142AFC   |   MPN #: 127142AFC

Regular price $125.68
Sale price $125.68 Regular price $0.00
MSRP: $141

Special Order

Caleffi FlowCal+ PIBV 1/2" PEX Expansion 2 GPM w/ Check 127142AFC-2G0

Caleffi FlowCal+ PIBV 1/2" PEX Expansion 2 GPM w/ Check 127142AFC-2G0

SKU #: CALE127142AFC2G0   |   MPN #: 127142AFC 2G0

Regular price $128.48
Sale price $128.48 Regular price $0.00
MSRP: $145

Special Order

Caleffi FlowCal+ PIBV 1/2" PEX Expansion 2.2 GPM w/ Check 127142AFC-2G2

Caleffi FlowCal+ PIBV 1/2" PEX Expansion 2.2 GPM w/ Check 127142AFC-2G2

SKU #: CALE127142AFC2G2   |   MPN #: 127142AFC 2G2

Regular price $128.48
Sale price $128.48 Regular price $0.00
MSRP: $145

Special Order

Caleffi FlowCal+ PIBV 1/2" PEX Expansion 10 GPM w/ Check 127142AFC-10G

Caleffi FlowCal+ PIBV 1/2" PEX Expansion 10 GPM w/ Check 127142AFC-10G

SKU #: CALE127142AFC10G   |   MPN #: 127142AFC 10G

Regular price $128.48
Sale price $128.48 Regular price $0.00
MSRP: $145

Special Order

Caleffi FlowCal PIBV 1-1/4" Sweat 21 GPM w/ PT Ports 121379A-21G

Caleffi FlowCal PIBV 1-1/4" Sweat 21 GPM w/ PT Ports 121379A-21G

SKU #: CALE121379A21G   |   MPN #: 121379A 21G

Regular price $322.62
Sale price $322.62 Regular price $0.00
MSRP: $421

Special Order

Caleffi FlowCal+ PIBV 1/2" PEX Expansion 3.5 GPM w/ Check 127142AFC-3G5

Caleffi FlowCal+ PIBV 1/2" PEX Expansion 3.5 GPM w/ Check 127142AFC-3G5

SKU #: CALE127142AFC3G5   |   MPN #: 127142AFC 3G5

Regular price $128.48
Sale price $128.48 Regular price $0.00
MSRP: $145

Special Order

Caleffi FlowCal+ PIBV 1/2" PEX Expansion 4 GPM w/ Check 127142AFC-4G0

Caleffi FlowCal+ PIBV 1/2" PEX Expansion 4 GPM w/ Check 127142AFC-4G0

SKU #: CALE127142AFC4G0   |   MPN #: 127142AFC 4G0

Regular price $128.48
Sale price $128.48 Regular price $0.00
MSRP: $145

Special Order

Caleffi 127141AFC FlowCal+ PIBV Low Lead 1/2" NPT w/ Check

Caleffi 127141AFC FlowCal+ PIBV Low Lead 1/2" NPT w/ Check

SKU #: CALE127141AFC   |   MPN #: 127141AFC

Regular price $127.08
Sale price $127.08 Regular price $0.00
MSRP: $143

Special Order

Caleffi 127141AFC 10G FlowCal+ PIBV Low Lead 1/2" NPT w/ Check 10 GPM

Caleffi 127141AFC 10G FlowCal+ PIBV Low Lead 1/2" NPT w/ Check 10 GPM

SKU #: CALE127141AFC10G   |   MPN #: 127141AFC 10G

Regular price $129.87
Sale price $129.87 Regular price $0.00
MSRP: $147

Special Order

Caleffi FlowCal+ PIBV 1/2" PEX Expansion 6 GPM w/ Check 127142AFC-6G0

Caleffi FlowCal+ PIBV 1/2" PEX Expansion 6 GPM w/ Check 127142AFC-6G0

SKU #: CALE127142AFC6G0   |   MPN #: 127142AFC 6G0

Regular price $128.48
Sale price $128.48 Regular price $0.00
MSRP: $145

Special Order

Caleffi FlowCal+ PIBV 1/2" PEX Expansion 4.5 GPM w/ Check 127142AFC-4G5

Caleffi FlowCal+ PIBV 1/2" PEX Expansion 4.5 GPM w/ Check 127142AFC-4G5

SKU #: CALE127142AFC4G5   |   MPN #: 127142AFC 4G5

Regular price $128.48
Sale price $128.48 Regular price $0.00
MSRP: $145

Special Order

Caleffi FlowCal+ PIBV 1/2" PEX Expansion 9 GPM w/ Check 127142AFC-9G0

Caleffi FlowCal+ PIBV 1/2" PEX Expansion 9 GPM w/ Check 127142AFC-9G0

SKU #: CALE127142AFC9G0   |   MPN #: 127142AFC 9G0

Regular price $128.48
Sale price $128.48 Regular price $0.00
MSRP: $145

Special Order

Caleffi FlowCal+ PIBV 1/2" PEX Expansion 5 GPM w/ Check 127142AFC-5G0

Caleffi FlowCal+ PIBV 1/2" PEX Expansion 5 GPM w/ Check 127142AFC-5G0

SKU #: CALE127142AFC5G0   |   MPN #: 127142AFC 5G0

Regular price $128.48
Sale price $128.48 Regular price $0.00
MSRP: $145

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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