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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 546196A DISCAL DIRTMAG Air & Dirt Separator with Magnet - 1-in Sweat

Caleffi 546196A DISCAL DIRTMAG Air & Dirt Separator with Magnet - 1-in Sweat

SKU #: CALE546196A   |   MPN #: 546196A

Regular price $387.54
Sale price $387.54 Regular price $0.00
MSRP: $559

Special Order

Caleffi 546197A DISCAL DIRTMAG Air & Dirt Separator with Magnet - 1-1/4-in Sweat

Caleffi 546197A DISCAL DIRTMAG Air & Dirt Separator with Magnet - 1-1/4-in Sweat

SKU #: CALE546197A   |   MPN #: 546197A

Regular price $455.68
Sale price $455.68 Regular price $0.00
MSRP: $666

Special Order

Caleffi 546116A DISCAL DIRTMAG Air & Dirt Separator with Magnet - 1-in NPT

Caleffi 546116A DISCAL DIRTMAG Air & Dirt Separator with Magnet - 1-in NPT

SKU #: CALE546116A   |   MPN #: 546116A

Regular price $398.06
Sale price $398.06 Regular price $0.00
MSRP: $584

Special Order

Caleffi 535941HA PressCal PRV ASSE 1003, 1/2" Sweat w/ Pressure Gauge

Caleffi 535941HA PressCal PRV ASSE 1003, 1/2" Sweat w/ Pressure Gauge

SKU #: CALE535941HA   |   MPN #: 535941HA

Regular price $126.97
Sale price $126.97 Regular price $0.00
MSRP: $151

Special Order

Caleffi 644269A 2-Way, 1' SWT, 24V, 13 Cv Motorized Ball

Caleffi 644269A 2-Way, 1' SWT, 24V, 13 Cv Motorized Ball

SKU #: CALE644269A   |   MPN #: 644269A

Regular price $308.97
Sale price $308.97 Regular price $0.00
MSRP: $423

Special Order

Caleffi 521519A MixCal Adjustable Thermostatic and Pressure Balanced Mixing Valve (sweat, with temperature gauge) 3/4" Sweat

Caleffi 521519A MixCal Adjustable Thermostatic and Pressure Balanced Mixing Valve (sweat, with temperature gauge) 3/4" Sweat

SKU #: CALE521519A   |   MPN #: 521519A

Regular price $189.19
Sale price $189.19 Regular price $0.00
MSRP: $300

Available in stock

Caleffi 553642A AutoFill 1/2" NPT Inlet X 1/2" NPT Outlet w/ Pressure Gauge

Caleffi 553642A AutoFill 1/2" NPT Inlet X 1/2" NPT Outlet w/ Pressure Gauge

SKU #: CALE553642A   |   MPN #: 553642A

Regular price $119.05
Sale price $119.05 Regular price $0.00
MSRP: $173

Available in stock

Caleffi 676769A 1" sweat union TwisTop+ assy

Caleffi 676769A 1" sweat union TwisTop+ assy

SKU #: CALE676769A   |   MPN #: 676769A

Regular price $222.50
Sale price $222.50 Regular price $0.00
MSRP: $297

Special Order

Caleffi 535551HA PressCal PRV ASSE 1003, 3/4" PEX Expansion w/ Pressure Gauge

Caleffi 535551HA PressCal PRV ASSE 1003, 3/4" PEX Expansion w/ Pressure Gauge

SKU #: CALE535551HA   |   MPN #: 535551HA

Regular price $138.95
Sale price $138.95 Regular price $0.00
MSRP: $166

Special Order

Caleffi 520416A AngleMix 3-Way Mixing valve 1/2" press union

Caleffi 520416A AngleMix 3-Way Mixing valve 1/2" press union

SKU #: CALE520416A   |   MPN #: 520416A

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

Special Order

Caleffi 127359AF 6G0 FlowCal PIBV Low Lead 3/4" Sweat 6 GPM

Caleffi 127359AF 6G0 FlowCal PIBV Low Lead 3/4" Sweat 6 GPM

SKU #: CALE127359AF6G0   |   MPN #: 127359AF 6G0

Regular price $125.61
Sale price $125.61 Regular price $0.00
MSRP: $139

Special Order

Caleffi 551035A DISCAL Air Separators: Brass, 1-1/4" Sweat

Caleffi 551035A DISCAL Air Separators: Brass, 1-1/4" Sweat

SKU #: CALE551035A   |   MPN #: 551035A

Regular price $204.73
Sale price $204.73 Regular price $0.00
MSRP: $315

Available in stock

Caleffi 551006A DISCAL Air Separators: Brass, 1" NPT Female

Caleffi 551006A DISCAL Air Separators: Brass, 1" NPT Female

SKU #: CALE551006AC   |   MPN #: 551006AC

Regular price $158.45
Sale price $158.45 Regular price $0.00
MSRP: $236

Available in stock

Caleffi 573009A Automatic Fill 1/2 Inch Sweat Brass

Caleffi 573009A Automatic Fill 1/2 Inch Sweat Brass

SKU #: CALE573009A   |   MPN #: 573009A

Regular price $192.98
Sale price $192.98 Regular price $0.00
MSRP: $249

Available in stock

Caleffi 573016A Automatic Fill 1/2 Inch Press Brass

Caleffi 573016A Automatic Fill 1/2 Inch Press Brass

SKU #: CALE573016A   |   MPN #: 573016A

Regular price $221.80
Sale price $221.80 Regular price $0.00
MSRP: $315

Available in stock

Caleffi 502610A ROBOCAL Automatic Air Vent 1/8" NPT Male

Caleffi 502610A ROBOCAL Automatic Air Vent 1/8" NPT Male

SKU #: CALE502610A   |   MPN #: 502610A

Regular price $24.31
Sale price $24.31 Regular price $0.00
MSRP: $24.31

Available in stock

Caleffi 553542A Automatic Fill 1/2 Inch NPT Brass

Caleffi 553542A Automatic Fill 1/2 Inch NPT Brass

SKU #: CALE553542A   |   MPN #: 553542A

Regular price $108.94
Sale price $108.94 Regular price $0.00
MSRP: $156

Available in stock

Caleffi 132662A QuickSetter Balancing Valve, 1" NPT

Caleffi 132662A QuickSetter Balancing Valve, 1" NPT

SKU #: CALE132662A   |   MPN #: 132662A

Regular price $162.63
Sale price $162.63 Regular price $0.00
MSRP: $322

Available in stock

Caleffi 521509A MixCal Adjustable Thermostatic and Pressure Balanced Mixing Valve (sweat, with temperature gauge) 3/4" Sweat

Caleffi 521509A MixCal Adjustable Thermostatic and Pressure Balanced Mixing Valve (sweat, with temperature gauge) 3/4" Sweat

SKU #: CALE521509A   |   MPN #: 521509A

Regular price $163.51
Sale price $163.51 Regular price $0.00
MSRP: $254

Available in stock

Caleffi 521616A MixCal Adjustable Thermostatic and Pressure Balanced Mixing Valve, 1" Press

Caleffi 521616A MixCal Adjustable Thermostatic and Pressure Balanced Mixing Valve, 1" Press

SKU #: CALE521616A   |   MPN #: 521616A

Regular price $230.66
Sale price $230.66 Regular price $0.00
MSRP: $369

Available in stock

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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