Skip to content

Free Shipping on All Orders!

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.

Compare (0/5)

1805 products

Caleffi 675900A Dual-Temp Push-Fit Thermometer

Caleffi 675900A Dual-Temp Push-Fit Thermometer

SKU #: CALE675900A   |   MPN #: 675900A

Regular price $18.86
Sale price $18.86 Regular price $0.00
MSRP: $18.86

Special Order

Caleffi 676500A Body only, close-off 35 psid

Caleffi 676500A Body only, close-off 35 psid

SKU #: CALE676500A   |   MPN #: 676500A

Regular price $59.43
Sale price $59.43 Regular price $0.00
MSRP: $68.20

Special Order

Caleffi 676000A Body only, close-off 20 psid

Caleffi 676000A Body only, close-off 20 psid

SKU #: CALE676000A   |   MPN #: 676000A

Regular price $34.86
Sale price $34.86 Regular price $0.00
MSRP: $34.86

Special Order

Caleffi 49685A Magnet Drywell Assembly

Caleffi 49685A Magnet Drywell Assembly

SKU #: CALE49685A   |   MPN #: 49685A

Regular price $410.39
Sale price $410.39 Regular price $0.00
MSRP: $544

Special Order

Caleffi 49684A Magnet Drywell

Caleffi 49684A Magnet Drywell

SKU #: CALE49684A   |   MPN #: 49684A

Regular price $290.66
Sale price $290.66 Regular price $0.00
MSRP: $377

Special Order

Caleffi 940451 Fittings 1/2M X 3/4M w/O-rings

Caleffi 940451 Fittings 1/2M X 3/4M w/O-rings

SKU #: CALE940451   |   MPN #: 940451

Regular price $27.15
Sale price $27.15 Regular price $0.00
MSRP: $27.15

Special Order

Caleffi 644004 Spare Motor with 3-Contact Control 24v

Caleffi 644004 Spare Motor with 3-Contact Control 24v

SKU #: CALE644004   |   MPN #: 644004

Regular price $176.46
Sale price $176.46 Regular price $0.00
MSRP: $229

Special Order

Caleffi 626009 STAINLESS PADDLE ASSEMBLY

Caleffi 626009 STAINLESS PADDLE ASSEMBLY

SKU #: CALE626009   |   MPN #: 626009

Regular price $32.52
Sale price $32.52 Regular price $0.00
MSRP: $32.52

Special Order

Caleffi 645114 Replacement Legiomix actuator

Caleffi 645114 Replacement Legiomix actuator

SKU #: CALE645114   |   MPN #: 645114

Regular price $429.72
Sale price $429.72 Regular price $0.00
MSRP: $577

Special Order

Caleffi 656344 24 V AC/DC, 250 mA, 300 seconds

Caleffi 656344 24 V AC/DC, 250 mA, 300 seconds

SKU #: CALE656344   |   MPN #: 656344

Regular price $115.38
Sale price $115.38 Regular price $0.00
MSRP: $135

Special Order

Caleffi 656354 24 V AC/DC, 250 mA, 300 seconds, micro-switch

Caleffi 656354 24 V AC/DC, 250 mA, 300 seconds, micro-switch

SKU #: CALE656354   |   MPN #: 656354

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

Special Order

Caleffi 656404 Thermoelectric Actuator 24v

Caleffi 656404 Thermoelectric Actuator 24v

SKU #: CALE656404   |   MPN #: 656404

Regular price $84.62
Sale price $84.62 Regular price $0.00
MSRP: $101

Special Order

Caleffi 656414 Thermo-Electric Actuator 24v w/microswit

Caleffi 656414 Thermo-Electric Actuator 24v w/microswit

SKU #: CALE656414   |   MPN #: 656414

Regular price $110.49
Sale price $110.49 Regular price $0.00
MSRP: $128

Special Order

Caleffi NA644300 3-Way diverting body w/24V act., no fittings

Caleffi NA644300 3-Way diverting body w/24V act., no fittings

SKU #: CALENA644300   |   MPN #: NA644300

Regular price $277.75
Sale price $277.75 Regular price $0.00
MSRP: $376

Special Order

Caleffi NA644300 3BY 3-Way bypass body w/24V act., no fittings

Caleffi NA644300 3BY 3-Way bypass body w/24V act., no fittings

SKU #: CALENA6443003BY   |   MPN #: NA644300 3BY

Regular price $277.75
Sale price $277.75 Regular price $0.00
MSRP: $376

Special Order

Caleffi 31901A 3/4" NPT Male Tail Piece

Caleffi 31901A 3/4" NPT Male Tail Piece

SKU #: CALE31901A   |   MPN #: 31901A

Regular price $23.09
Sale price $23.09 Regular price $0.00
MSRP: $23.09

Special Order

Caleffi 449010 MANUAL KNOB FOR RADIATOR VALVES

Caleffi 449010 MANUAL KNOB FOR RADIATOR VALVES

SKU #: CALE449010   |   MPN #: 449010

Regular price $20.73
Sale price $20.73 Regular price $0.00
MSRP: $20.73

Special Order

Caleffi 449740 Universal Wall-Covering Plate 40-50MM

Caleffi 449740 Universal Wall-Covering Plate 40-50MM

SKU #: CALE449740   |   MPN #: 449740

Regular price $12.52
Sale price $12.52 Regular price $0.00
MSRP: $12.52

Special Order

Caleffi 508100A Replacement Hygroscopic Cartridge

Caleffi 508100A Replacement Hygroscopic Cartridge

SKU #: CALE508100A   |   MPN #: 508100A

Regular price $14.53
Sale price $14.53 Regular price $0.00
MSRP: $14.53

Special Order

Caleffi 132637 QS+ replacement body 0.5 to 1.75 GPM

Caleffi 132637 QS+ replacement body 0.5 to 1.75 GPM

SKU #: CALE132637   |   MPN #: 132637

Regular price $205.97
Sale price $205.97 Regular price $0.00
MSRP: $255

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.

Free Shipping on Everything!
30 Days Free Returns
Secure Payment
Expert Customer Support