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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 520509AX Thermostatic Mixing 3/4 Inch Sweat Brass

Caleffi 520509AX Thermostatic Mixing 3/4 Inch Sweat Brass

SKU #: CALE520509AX   |   MPN #: 520509AX

Regular price $254.08
Sale price $254.08 Regular price $0.00
MSRP: $338

Special Order

Caleffi 132556AFC QuickSetter+ Balancing Valve w/ Flowmeter Union, 3/4" Press 2 - 7 GPM Low Lead

Caleffi 132556AFC QuickSetter+ Balancing Valve w/ Flowmeter Union, 3/4" Press 2 - 7 GPM Low Lead

SKU #: CALE132556AFC   |   MPN #: 132556AFC

Regular price $296.98
Sale price $296.98 Regular price $0.00
MSRP: $387

Special Order

Caleffi 132558AFC QuickSetter+ Balancing Valve w/ Flowmeter Union, 3/4" Sweat 2 - 7 GPM & Temp Gauge Low Lead

Caleffi 132558AFC QuickSetter+ Balancing Valve w/ Flowmeter Union, 3/4" Sweat 2 - 7 GPM & Temp Gauge Low Lead

SKU #: CALE132558AFC   |   MPN #: 132558AFC

Regular price $296.88
Sale price $296.88 Regular price $0.00
MSRP: $385

Special Order

Caleffi 127359AF G35 FlowCal PIBV Low Lead 3/4" Sweat .35 GPM

Caleffi 127359AF G35 FlowCal PIBV Low Lead 3/4" Sweat .35 GPM

SKU #: CALE127359AFG35   |   MPN #: 127359AF G35

Regular price $118.18
Sale price $118.18 Regular price $0.00
MSRP: $139

Special Order

Caleffi 132632AFC QuickSetter+ Balancing Valve w/ Flowmeter Union, 1" Pex Expansion .5 - 1.75 GPM Low Lead

Caleffi 132632AFC QuickSetter+ Balancing Valve w/ Flowmeter Union, 1" Pex Expansion .5 - 1.75 GPM Low Lead

SKU #: CALE132632AFC   |   MPN #: 132632AFC

Regular price $301.31
Sale price $301.31 Regular price $0.00
MSRP: $389

Special Order

Caleffi 132637AFC QuickSetter+ Balancing Valve w/ Flowmeter Union, 1" press .5 - 1.75 GPM & Temp Gauge Low Lead

Caleffi 132637AFC QuickSetter+ Balancing Valve w/ Flowmeter Union, 1" press .5 - 1.75 GPM & Temp Gauge Low Lead

SKU #: CALE132637AFC   |   MPN #: 132637AFC

Regular price $364.25
Sale price $364.25 Regular price $0.00
MSRP: $479

Special Order

Caleffi 127359AF 7G0 FlowCal PIBV Low Lead 3/4" Sweat 7 GPM

Caleffi 127359AF 7G0 FlowCal PIBV Low Lead 3/4" Sweat 7 GPM

SKU #: CALE127359AF7G0   |   MPN #: 127359AF 7G0

Regular price $118.18
Sale price $118.18 Regular price $0.00
MSRP: $139

Special Order

Caleffi 132638AFC QuickSetter+ Balancing Valve w/ Flowmeter Union, 1" Sweat .5 - 1.75 GPM & Temp Gauge Low Lead

Caleffi 132638AFC QuickSetter+ Balancing Valve w/ Flowmeter Union, 1" Sweat .5 - 1.75 GPM & Temp Gauge Low Lead

SKU #: CALE132638AFC   |   MPN #: 132638AFC

Regular price $320.90
Sale price $320.90 Regular price $0.00
MSRP: $417

Special Order

Caleffi 520516AC AngleMix 3- Way Mixing valve 3/4" Press w/Check,Gaug

Caleffi 520516AC AngleMix 3- Way Mixing valve 3/4" Press w/Check,Gaug

SKU #: CALE520516AC   |   MPN #: 520516AC

Regular price $278.00
Sale price $278.00 Regular price $0.00
MSRP: $374

Special Order

Caleffi 132653AFC QuickSetter+ Balancing Valve w/ Flowmeter Union, 1" Pex Expansion 2 - 7 GPM & Temp Gauge Low Lead

Caleffi 132653AFC QuickSetter+ Balancing Valve w/ Flowmeter Union, 1" Pex Expansion 2 - 7 GPM & Temp Gauge Low Lead

SKU #: CALE132653AFC   |   MPN #: 132653AFC

Regular price $334.15
Sale price $334.15 Regular price $0.00
MSRP: $436

Special Order

Caleffi 132639AFC QuickSetter+ Balancing Valve w/ Flowmeter Union, 1" Sweat .5 - 1.75 GPM Low Lead

Caleffi 132639AFC QuickSetter+ Balancing Valve w/ Flowmeter Union, 1" Sweat .5 - 1.75 GPM Low Lead

SKU #: CALE132639AFC   |   MPN #: 132639AFC

Regular price $289.43
Sale price $289.43 Regular price $0.00
MSRP: $372

Special Order

Caleffi 132635AFC QuickSetter+ Balancing Valve w/ Flowmeter Union, 1" Pex crimp .5 - 1.75 GPM & Temp Gauge Low Lead

Caleffi 132635AFC QuickSetter+ Balancing Valve w/ Flowmeter Union, 1" Pex crimp .5 - 1.75 GPM & Temp Gauge Low Lead

SKU #: CALE132635AFC   |   MPN #: 132635AFC

Regular price $334.18
Sale price $334.18 Regular price $0.00
MSRP: $436

Special Order

Caleffi 520519AC AngleMix 3- Way Mixing valve 3/4"SWTw/probe+chk

Caleffi 520519AC AngleMix 3- Way Mixing valve 3/4"SWTw/probe+chk

SKU #: CALE520519AC   |   MPN #: 520519AC

Regular price $253.42
Sale price $253.42 Regular price $0.00
MSRP: $337

Special Order

Caleffi 520510AX Thermostatic Mixing 3/4 Inch NPT Brass

Caleffi 520510AX Thermostatic Mixing 3/4 Inch NPT Brass

SKU #: CALE520510AX   |   MPN #: 520510AX

Regular price $295.94
Sale price $295.94 Regular price $0.00
MSRP: $401

Special Order

Caleffi 127369AF G50 FlowCal PIBV Low Lead 1" Sweat .5 GPM

Caleffi 127369AF G50 FlowCal PIBV Low Lead 1" Sweat .5 GPM

SKU #: CALE127369AFG50   |   MPN #: 127369AF G50

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

Special Order

Caleffi 127359AF 5G0 FlowCal PIBV Low Lead 3/4" Sweat 5 GPM

Caleffi 127359AF 5G0 FlowCal PIBV Low Lead 3/4" Sweat 5 GPM

SKU #: CALE127359AF5G0   |   MPN #: 127359AF 5G0

Regular price $118.18
Sale price $118.18 Regular price $0.00
MSRP: $139

Special Order

Caleffi 127359AF 4G5 FlowCal PIBV Low Lead 3/4" Sweat 4.5 GPM

Caleffi 127359AF 4G5 FlowCal PIBV Low Lead 3/4" Sweat 4.5 GPM

SKU #: CALE127359AF4G5   |   MPN #: 127359AF 4G5

Regular price $118.18
Sale price $118.18 Regular price $0.00
MSRP: $139

Special Order

Caleffi 132656AFC Balancing 1 Inch Press Brass

Caleffi 132656AFC Balancing 1 Inch Press Brass

SKU #: CALE132656AFC   |   MPN #: 132656AFC

Regular price $327.51
Sale price $327.51 Regular price $0.00
MSRP: $428

Special Order

Caleffi 520516AX Thermostatic Mixing 3/4 Inch Press Brass

Caleffi 520516AX Thermostatic Mixing 3/4 Inch Press Brass

SKU #: CALE520516AX   |   MPN #: 520516AX

Regular price $328.49
Sale price $328.49 Regular price $0.00
MSRP: $450

Special Order

Caleffi 127359AF 1G5 FlowCal PIBV Low Lead 3/4" Sweat 1.5 GPM

Caleffi 127359AF 1G5 FlowCal PIBV Low Lead 3/4" Sweat 1.5 GPM

SKU #: CALE127359AF1G5   |   MPN #: 127359AF 1G5

Regular price $120.81
Sale price $120.81 Regular price $0.00
MSRP: $139

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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