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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 659104 Manifold Housing Box:up to13 outlet assy

Caleffi 659104 Manifold Housing Box:up to13 outlet assy

SKU #: CALE659104   |   MPN #: 659104

Regular price $494.11
Sale price $494.11 Regular price $0.00
MSRP: $613

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Caleffi 659124 Manifold Housing Box:up to17 outlet assy

Caleffi 659124 Manifold Housing Box:up to17 outlet assy

SKU #: CALE659124   |   MPN #: 659124

Regular price $555.36
Sale price $555.36 Regular price $0.00
MSRP: $694

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Caleffi 6686C5S1A IN TwistFlow Radiant Manifold Assembly 3 loop 1" INVERTED

Caleffi 6686C5S1A IN TwistFlow Radiant Manifold Assembly 3 loop 1" INVERTED

SKU #: CALE6686C5S1AIN   |   MPN #: 6686C5S1A IN

Regular price $550.85
Sale price $550.85 Regular price $0.00
MSRP: $718

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Caleffi 6686E5S1A TwistFlow Radiant Manifold Assembly 5 loop 1"

Caleffi 6686E5S1A TwistFlow Radiant Manifold Assembly 5 loop 1"

SKU #: CALE6686E5S1A   |   MPN #: 6686E5S1A

Regular price $698.49
Sale price $698.49 Regular price $0.00
MSRP: $924

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Caleffi 6686D5S1A TwistFlow Radiant Manifold Assembly 4 loop 1"

Caleffi 6686D5S1A TwistFlow Radiant Manifold Assembly 4 loop 1"

SKU #: CALE6686D5S1A   |   MPN #: 6686D5S1A

Regular price $624.42
Sale price $624.42 Regular price $0.00
MSRP: $821

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Caleffi 6686D5S1A IN TwistFlow Radiant Manifold Assembly 4 loop 1" INVERTED

Caleffi 6686D5S1A IN TwistFlow Radiant Manifold Assembly 4 loop 1" INVERTED

SKU #: CALE6686D5S1AIN   |   MPN #: 6686D5S1A IN

Regular price $624.42
Sale price $624.42 Regular price $0.00
MSRP: $821

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Caleffi ZVR106 Z-One Relay Series - 6 Zone Valve Switching Relay

Caleffi ZVR106 Z-One Relay Series - 6 Zone Valve Switching Relay

SKU #: CALEZVR106   |   MPN #: ZVR106

Regular price $239.89
Sale price $239.89 Regular price $0.00
MSRP: $338

Available in stock

Caleffi ZSR103 Z-One 3 zone pump Control

Caleffi ZSR103 Z-One 3 zone pump Control

SKU #: CALEZSR103   |   MPN #: ZSR103

Regular price $225.90
Sale price $225.90 Regular price $0.00
MSRP: $289

Available in stock

Caleffi ZSR101 Z-One single zone pump relay

Caleffi ZSR101 Z-One single zone pump relay

SKU #: CALEZSR101   |   MPN #: ZSR101

Regular price $96.60
Sale price $96.60 Regular price $0.00
MSRP: $122

Available in stock

Caleffi ZVR104 Z-One 4 Zone zone valve Control

Caleffi ZVR104 Z-One 4 Zone zone valve Control

SKU #: CALEZVR104   |   MPN #: ZVR104

Regular price $206.48
Sale price $206.48 Regular price $0.00
MSRP: $260

Available in stock

Caleffi 59829 Discal Air Vent for Brass Body (3/4"-2")

Caleffi 59829 Discal Air Vent for Brass Body (3/4"-2")

SKU #: CALE59829   |   MPN #: 59829

Regular price $109.41
Sale price $109.41 Regular price $0.00
MSRP: $155

Available in stock

Caleffi ZVR103 Z-One Relay Series - 3 Zone Valve Switching Relay

Caleffi ZVR103 Z-One Relay Series - 3 Zone Valve Switching Relay

SKU #: CALEZVR103   |   MPN #: ZVR103

Regular price $178.88
Sale price $178.88 Regular price $0.00
MSRP: $219

Available in stock

Caleffi ZSR106 Z-One 6 zone pump Control

Caleffi ZSR106 Z-One 6 zone pump Control

SKU #: CALEZSR106   |   MPN #: ZSR106

Regular price $306.25
Sale price $306.25 Regular price $0.00
MSRP: $414

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Caleffi 59756 Air vent for 551, NA551

Caleffi 59756 Air vent for 551, NA551

SKU #: CALE59756   |   MPN #: 59756

Regular price $145.80
Sale price $145.80 Regular price $0.00
MSRP: $169

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Caleffi 59817A Male UnionTail 1" NPT - Nut+Fitting

Caleffi 59817A Male UnionTail 1" NPT - Nut+Fitting

SKU #: CALE59817A   |   MPN #: 59817A

Regular price $40.81
Sale price $40.81 Regular price $0.00
MSRP: $40.81

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Caleffi 165001 WALL BRACKET FOR 165-166-167 SERIES

Caleffi 165001 WALL BRACKET FOR 165-166-167 SERIES

SKU #: CALE165001   |   MPN #: 165001

Regular price $71.06
Sale price $71.06 Regular price $0.00
MSRP: $78.10

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Caleffi 39623 Discharge air gap for 574050A

Caleffi 39623 Discharge air gap for 574050A

SKU #: CALE39623   |   MPN #: 39623

Regular price $62.22
Sale price $62.22 Regular price $0.00
MSRP: $72.60

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Caleffi NA669250 Flow meter 1/2 to 2 gpm

Caleffi NA669250 Flow meter 1/2 to 2 gpm

SKU #: CALENA669250   |   MPN #: NA669250

Regular price $42.28
Sale price $42.28 Regular price $0.00
MSRP: $42.28

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Caleffi R56142 BLEED SCREW FOR AAV 5026

Caleffi R56142 BLEED SCREW FOR AAV 5026

SKU #: CALER56142   |   MPN #: R56142

Regular price $13.03
Sale price $13.03 Regular price $0.00
MSRP: $13.03

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Caleffi R56214 Plastic Vent Cap

Caleffi R56214 Plastic Vent Cap

SKU #: CALER56214   |   MPN #: R56214

Regular price $13.10
Sale price $13.10 Regular price $0.00
MSRP: $13.10

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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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