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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 127341AF 6G0 FlowCal PIBV Low Lead 1/2" NPT 6 GPM

Caleffi 127341AF 6G0 FlowCal PIBV Low Lead 1/2" NPT 6 GPM

SKU #: CALE127341AF6G0   |   MPN #: 127341AF 6G0

Regular price $118.88
Sale price $118.88 Regular price $0.00
MSRP: $140

Special Order

Caleffi 127341AF 5G0 FlowCal PIBV Low Lead 1/2" NPT 5 GPM

Caleffi 127341AF 5G0 FlowCal PIBV Low Lead 1/2" NPT 5 GPM

SKU #: CALE127341AF5G0   |   MPN #: 127341AF 5G0

Regular price $118.88
Sale price $118.88 Regular price $0.00
MSRP: $140

Special Order

Caleffi 127351AF 3G5 FlowCal PIBV Low Lead 3/4" NPT 3.5 GPM

Caleffi 127351AF 3G5 FlowCal PIBV Low Lead 3/4" NPT 3.5 GPM

SKU #: CALE127351AF3G5   |   MPN #: 127351AF 3G5

Regular price $122.38
Sale price $122.38 Regular price $0.00
MSRP: $145

Special Order

Caleffi 127341AF G75 FlowCal PIBV Low Lead 1/2" NPT .75 GPM

Caleffi 127341AF G75 FlowCal PIBV Low Lead 1/2" NPT .75 GPM

SKU #: CALE127341AFG75   |   MPN #: 127341AF G75

Regular price $118.88
Sale price $118.88 Regular price $0.00
MSRP: $140

Special Order

Caleffi 127351AF 2G2 FlowCal PIBV Low Lead 3/4" NPT 2.2 GPM

Caleffi 127351AF 2G2 FlowCal PIBV Low Lead 3/4" NPT 2.2 GPM

SKU #: CALE127351AF2G2   |   MPN #: 127351AF 2G2

Regular price $125.44
Sale price $125.44 Regular price $0.00
MSRP: $145

Special Order

Caleffi 127341AF 7G0 FlowCal PIBV Low Lead 1/2" NPT 7 GPM

Caleffi 127341AF 7G0 FlowCal PIBV Low Lead 1/2" NPT 7 GPM

SKU #: CALE127341AF7G0   |   MPN #: 127341AF 7G0

Regular price $118.88
Sale price $118.88 Regular price $0.00
MSRP: $140

Special Order

Caleffi 127351AF 6G0 FlowCal PIBV Low Lead 3/4" NPT 6 GPM

Caleffi 127351AF 6G0 FlowCal PIBV Low Lead 3/4" NPT 6 GPM

SKU #: CALE127351AF6G0   |   MPN #: 127351AF 6G0

Regular price $122.38
Sale price $122.38 Regular price $0.00
MSRP: $145

Special Order

Caleffi 127351AF 4G0 FlowCal PIBV Low Lead 3/4" NPT 4 GPM

Caleffi 127351AF 4G0 FlowCal PIBV Low Lead 3/4" NPT 4 GPM

SKU #: CALE127351AF4G0   |   MPN #: 127351AF 4G0

Regular price $122.38
Sale price $122.38 Regular price $0.00
MSRP: $145

Special Order

Caleffi 127341AF 8G0 FlowCal PIBV Low Lead 1/2" NPT 8 GPM

Caleffi 127341AF 8G0 FlowCal PIBV Low Lead 1/2" NPT 8 GPM

SKU #: CALE127341AF8G0   |   MPN #: 127341AF 8G0

Regular price $118.88
Sale price $118.88 Regular price $0.00
MSRP: $140

Special Order

Caleffi 127342AF FlowCal PIBV Low Lead 1/2" PEX exp

Caleffi 127342AF FlowCal PIBV Low Lead 1/2" PEX exp

SKU #: CALE127342AF   |   MPN #: 127342AF

Regular price $116.59
Sale price $116.59 Regular price $0.00
MSRP: $128

Special Order

Caleffi 127351AF 8G0 FlowCal PIBV Low Lead 3/4" NPT 8 GPM

Caleffi 127351AF 8G0 FlowCal PIBV Low Lead 3/4" NPT 8 GPM

SKU #: CALE127351AF8G0   |   MPN #: 127351AF 8G0

Regular price $122.38
Sale price $122.38 Regular price $0.00
MSRP: $145

Special Order

Caleffi 127351AF 5G0 FlowCal PIBV Low Lead 3/4" NPT 5 GPM

Caleffi 127351AF 5G0 FlowCal PIBV Low Lead 3/4" NPT 5 GPM

SKU #: CALE127351AF5G0   |   MPN #: 127351AF 5G0

Regular price $122.38
Sale price $122.38 Regular price $0.00
MSRP: $145

Special Order

Caleffi 127341AF 9G0 FlowCal PIBV Low Lead 1/2" NPT 9 GPM

Caleffi 127341AF 9G0 FlowCal PIBV Low Lead 1/2" NPT 9 GPM

SKU #: CALE127341AF9G0   |   MPN #: 127341AF 9G0

Regular price $124.98
Sale price $124.98 Regular price $0.00
MSRP: $140

Special Order

Caleffi 127351AF 9G0 FlowCal PIBV Low Lead 3/4" NPT 9 GPM

Caleffi 127351AF 9G0 FlowCal PIBV Low Lead 3/4" NPT 9 GPM

SKU #: CALE127351AF9G0   |   MPN #: 127351AF 9G0

Regular price $122.38
Sale price $122.38 Regular price $0.00
MSRP: $145

Special Order

Caleffi 127351AF 4G5 FlowCal PIBV Low Lead 3/4" NPT 4.5 GPM

Caleffi 127351AF 4G5 FlowCal PIBV Low Lead 3/4" NPT 4.5 GPM

SKU #: CALE127351AF4G5   |   MPN #: 127351AF 4G5

Regular price $122.38
Sale price $122.38 Regular price $0.00
MSRP: $145

Special Order

Caleffi 127341AF G35 FlowCal PIBV Low Lead 1/2" NPT .35 GPM

Caleffi 127341AF G35 FlowCal PIBV Low Lead 1/2" NPT .35 GPM

SKU #: CALE127341AFG35   |   MPN #: 127341AF G35

Regular price $118.88
Sale price $118.88 Regular price $0.00
MSRP: $140

Special Order

Caleffi 127342AF 1G0 FlowCal PIBV Low Lead 1/2" PEX exp 1 GPM

Caleffi 127342AF 1G0 FlowCal PIBV Low Lead 1/2" PEX exp 1 GPM

SKU #: CALE127342AF1G0   |   MPN #: 127342AF 1G0

Regular price $115.09
Sale price $115.09 Regular price $0.00
MSRP: $132

Special Order

Caleffi 127342AF 1G3 FlowCal PIBV Low Lead 1/2" PEX exp 1.3 GPM

Caleffi 127342AF 1G3 FlowCal PIBV Low Lead 1/2" PEX exp 1.3 GPM

SKU #: CALE127342AF1G3   |   MPN #: 127342AF 1G3

Regular price $115.09
Sale price $115.09 Regular price $0.00
MSRP: $132

Special Order

Caleffi 127341AF G50 FlowCal PIBV Low Lead 1/2" NPT .5 GPM

Caleffi 127341AF G50 FlowCal PIBV Low Lead 1/2" NPT .5 GPM

SKU #: CALE127341AFG50   |   MPN #: 127341AF G50

Regular price $121.51
Sale price $121.51 Regular price $0.00
MSRP: $140

Special Order

Caleffi 127342AF 1G5 FlowCal PIBV Low Lead 1/2" PEX exp 1.5 GPM

Caleffi 127342AF 1G5 FlowCal PIBV Low Lead 1/2" PEX exp 1.5 GPM

SKU #: CALE127342AF1G5   |   MPN #: 127342AF 1G5

Regular price $115.09
Sale price $115.09 Regular price $0.00
MSRP: $132

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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