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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

Caleffi NA570971 Reload Resin 2 Bag Bucket

SKU #: CALENA570971   |   MPN #: NA570971
$473.61
$473.61 $0.00
MSRP: $597

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

Brass PEX-AL-PEX fitting with 3/4" connection ports and compression ring visible inside.

Caleffi 682550A 3/4" PEX-AL-PEX Fitting

SKU #: CALE682550A   |   MPN #: 682550A
$25.02
$25.02 $0.00
MSRP: $25.02

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

Brass bushing reducer with 1-1/4" BSP male connection on one end and 1" BSP female connection on the other.

Caleffi NA10087 Bushing 1-1/4"BSP M x 1"BSP F Reducer

SKU #: CALENA10087   |   MPN #: NA10087
$27.20
$27.20 $0.00
MSRP: $27.20

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

Brass NPT tail piece with threaded male connection on left side and smooth cylindrical end on right side.

Caleffi R41660 1-1/4" NPT Tail Piece

SKU #: CALER41660   |   MPN #: R41660
$54.18
$54.18 $0.00
MSRP: $62.10

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

Brass adapter fitting with 1" NPT female thread on left and 1-1/4" male thread on right.

Caleffi 61215A Adaptor 1"NPT female x 1-1/4" male

SKU #: CALE61215A   |   MPN #: 61215A
$27.13
$27.13 $0.00
MSRP: $27.13

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

Brass double nipple fitting with threaded connections on both ends and hexagonal center section.

Caleffi NA12173 1" NPT Double Nipple

SKU #: CALENA12173   |   MPN #: NA12173
$31.86
$31.86 $0.00
MSRP: $32.40

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

Brass union nut with internal threads, 1 inch size, hexagonal shape with textured grip surface.

Caleffi F61008 1" Union Nut

SKU #: CALEF61008   |   MPN #: F61008
$11.57
$11.57 $0.00
MSRP: $11.57

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

Brass union nut connector with threaded ports, 3/4 inch size, dark metallic finish.

Caleffi F41186 3/4" Brass Union Nut

SKU #: CALEF41186   |   MPN #: F41186
$10.90
$10.90 $0.00
MSRP: $10.90

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

Brass PEX-AL-PEX fitting with hexagonal nut and internal connection port.

Caleffi 682530A 3/8" PEX-AL-PEX Fitting

SKU #: CALE682530A   |   MPN #: 682530A
$16.76
$16.76 $0.00
MSRP: $16.76

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

Brass PEX-AL-PEX fitting components with barbed connector, compression ring, and threaded nut displayed separately.

Caleffi 682540A 1/2" PEX-AL-PEX Fitting

SKU #: CALE682540A   |   MPN #: 682540A
$16.76
$16.76 $0.00
MSRP: $16.76

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

Brass PEX-AL-PEX fitting with 5/8" connection and internal sealing rings visible in central opening.

Caleffi 682545A 5/8" PEX-AL-PEX Fitting

SKU #: CALE682545A   |   MPN #: 682545A
$17.28
$17.28 $0.00
MSRP: $17.28

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

Brass male NPT fitting with threaded connection on left side and smooth cylindrical end on right side.

Caleffi R31981 1/2" NPT Male Fitting

SKU #: CALER31981   |   MPN #: R31981
$17.81
$17.81 $0.00
MSRP: $17.81

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

Brass dirt separator with black cylindrical magnet housing, union sweat connections, and drain valve at bottom.

Caleffi NA545396 DIRTMAG Composite Dirt Separator with Magnet - 1-in Union Sweat

SKU #: CALENA545396   |   MPN #: NA545396
$207.00
$207.00 $0.00
MSRP: $279

Available in stock

Caleffi DIRTMAG composite dirt separator with magnet and copper fittings, 1-inch press connection.

Caleffi NA545366 DIRTMAG Composite Dirt Separator with Magnet - 1-in Press

SKU #: CALENA545366   |   MPN #: NA545366
$240.79
$240.79 $0.00
MSRP: $329

Available in stock

Brass DirtMagPRO magnetic separator with copper sweat connections, isolation valve, and drain port.

Caleffi 546328AM DirtMagPRO 1" sweat

SKU #: CALE546328AM   |   MPN #: 546328AM
$199.53
$199.53 $0.00
MSRP: $268

Available in stock

Cylindrical replacement filter cartridge with transparent housing, granular filter media, blue cap with red indicator button,

Caleffi NA573102 Replacement Filter for Autofill Combo

SKU #: CALENA573102   |   MPN #: NA573102
$92.47
$92.47 $0.00
MSRP: $115

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

Caleffi DIRTMAG composite dirt separator with black cylindrical body, brass fittings, and attached magnet assembly for 3/4-in

Caleffi NA545305 DIRTMAG Composite Dirt Separator with Magnet - 3/4-in Union NPT

SKU #: CALENA545305   |   MPN #: NA545305
$188.85
$188.85 $0.00
MSRP: $253

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

Caleffi DIRTMAG composite dirt separator with black cylindrical body, brass fittings, copper connections, and yellow warning

Caleffi NA545365 DIRTMAG Composite Dirt Separator with Magnet - 3/4-in Press

SKU #: CALENA545365   |   MPN #: NA545365
$204.40
$204.40 $0.00
MSRP: $276

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

Caleffi DIRTMAG composite dirt separator with black cylindrical body, brass fittings, copper connections, and yellow warning

Caleffi NA545306 DIRTMAG Composite Dirt Separator with Magnet - 1-in Union NPT

SKU #: CALENA545306   |   MPN #: NA545306
$215.22
$215.22 $0.00
MSRP: $292

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

Caleffi DIRTMAG composite dirt separator with black cylindrical body, brass fittings, copper connections, and yellow warning

Caleffi NA545395 DIRTMAG Composite Dirt Separator with Magnet - 3/4-in Union Sweat

SKU #: CALENA545395   |   MPN #: NA545395
$188.17
$188.17 $0.00
MSRP: $252

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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