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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

Brass check valve with 1" female NPT connections and serviceable cartridge design.

Caleffi NA51363 Serviceable low lead Check Valve 1" FNPT

SKU #: CALENA51363   |   MPN #: NA51363
$116.61
$116.61 $0.00
MSRP: $138

Available in stock

Caleffi NA51379 Serviceable low lead Check Valve 1-1/4" sweat

SKU #: CALENA51379   |   MPN #: NA51379
$116.61
$116.61 $0.00
MSRP: $138

Available in stock

Caleffi low lead check valve, 1-1/4" press connection, brass body with copper fittings.

Caleffi NA51376 Serviceable low lead Check Valve 1-1/4" press

SKU #: CALENA51376   |   MPN #: NA51376
$169.96
$169.96 $0.00
MSRP: $209

Available in stock

Brass AutoFill combo valve assembly with gray cap and press-fit 1/2" connections.

Caleffi 573006A COMBO AutoFill 1/2" Press X 1/2" Press ASSE 1012

SKU #: CALE573006A   |   MPN #: 573006A
$220.11
$220.11 $0.00
MSRP: $283

Available in stock

Brass air separator with copper press fittings on sides, vent valve on top, and blue Discal Caleffi label.

Caleffi 551067A DISCAL Air Separator 1 1/4" Press

SKU #: CALE551067A   |   MPN #: 551067A
$257.17
$257.17 $0.00
MSRP: $386

Available in stock

Caleffi brass air separator with 1 1/2" press connections and threaded vent valve on top.

Caleffi 551068A DISCAL Air Separator 1 1/2" Press

SKU #: CALE551068A   |   MPN #: 551068A
$327.61
$327.61 $0.00
MSRP: $499

Available in stock

Caleffi 535059A AutoFill 3/4" Union Sweat w/ Pressure Gauge

SKU #: CALE535059A   |   MPN #: 535059A
$144.94
$144.94 $0.00
MSRP: $182

Available in stock

Brass balancing valve with 3/4" NPT connections, black flow meter dial, and adjustment knob mounted on side.

Caleffi 132552A QuickSetter Balancing Valve w/ Flow Meter 3/4" NPT 2-7 GPM

SKU #: CALE132552A   |   MPN #: 132552A
$216.01
$216.01 $0.00
MSRP: $268

Available in stock

Brass balancing valve with 1-1/4 inch NPT connections, black dial adjustment knob, and drain cock at base.

Caleffi 132772A Balancing 1-1/4 Inch NPT Brass

SKU #: CALE132772A   |   MPN #: 132772A
$330.34
$330.34 $0.00
MSRP: $416

Available in stock

Brass balancing valve with 1/2 inch NPT connections, black adjustment knobs, and purple insulation wrap shown in three angles

Caleffi 132432A Balancing 1/2 Inch NPT Brass

SKU #: CALE132432A   |   MPN #: 132432A
$200.95
$200.95 $0.00
MSRP: $248

Available in stock

Brass 3-way mixing valve with black adjustable cap, three pex connections, and temperature gauge mounted below.

Caleffi 521518AC MixCal 3-way Mixing Valve 3/4" Pex Expansion w/Check Valves & Temp Gauge

SKU #: CALE521518AC   |   MPN #: 521518AC
$250.15
$250.15 $0.00
MSRP: $327

Available in stock

Brass thermal balancing valve with gray adjustable knob and attached temperature gauge dial.

Caleffi 116150AC001 Thermal Balancing 3/4 Inch NPT Brass

SKU #: CALE116150AC001   |   MPN #: 116150AC001
$341.40
$341.40 $0.00
MSRP: $434

Available in stock

Brass 2-way valve body with 1/2" NPT threaded ports and manual actuator stem on top.

Caleffi Z200412 Z-One 2-Way valve body, 1/2", NPT, 2.5 Cv, 50 PSI P

SKU #: CALEZ200412   |   MPN #: Z200412
$54.46
$54.46 $0.00
MSRP: $62.40

Special Order. Expect 4-6 weeks for delivery, subject to change

Caleffi Z40 brass zone valve with white and black actuator head and two brass fittings.

Caleffi Z40 Zone Valve

SKU #: CALEZ40   |   MPN #: Z40
$161.12
$161.12 $0.00
MSRP: $205

Special Order. Expect 4-6 weeks for delivery, subject to change

Black foam insulation jacket with dual cylindrical sections and port openings for 1/2" and 3/4" valves.

Caleffi CBN116140 Insulation jacket for 1161, 1162, 1163, 1/2", 3/4"

SKU #: CALECBN116140   |   MPN #: CBN116140
$39.90
$39.90 $0.00
MSRP: $43.10

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass pressure relief valve with black and white body, attached pressure gauge, and threaded ports.

Caleffi 535651HA PressCal PRV ASSE 1003, 3/4" Press w/ Pressure Gauge

SKU #: CALE535651HA   |   MPN #: 535651HA
$142.44
$142.44 $0.00
MSRP: $178

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass 3-way mixing valve with black temperature control dial marked MIN to MAX and three NPT threaded ports.

Caleffi 521500AC MixCal 3-Way Mixing Valve 3/4" NPT w/Check Valves

SKU #: CALE521500AC   |   MPN #: 521500AC
$225.16
$225.16 $0.00
MSRP: $294

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass pressure reducing valve with 1 inch NPT connections and attached pressure gauge.

Caleffi 536063A Pressure Reducing 1 Inch NPT Brass

SKU #: CALE536063A103   |   MPN #: 536063A 103
$433.21
$433.21 $0.00
MSRP: $582

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass air separator with threaded ports and removable top cap, featuring DISCAL and Caleffi brand labels.

Caleffi 551005A DISCAL Air Separator 3/4" NPT

SKU #: CALE551005A   |   MPN #: 551005A
$144.69
$144.69 $0.00
MSRP: $205

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass 3-way mixing valve with 1" NPT connections and black handle.

Caleffi 521600AC MixCal 3-Way Mixing Valve 1" NPT w/Check Valves

SKU #: CALE521600AC   |   MPN #: 521600AC
$259.42
$259.42 $0.00
MSRP: $342

Special Order. Expect 4-6 weeks for delivery, subject to change

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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