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  • Caleffi North America 521352A 5213 Series 3/4 in. 3-Way MNPT Anti Scald Mix ValveCaleffi North America 521352A 5213 Series 3/4 in. 3-Way MNPT Anti Scald Mix Valve
    CALEFFI
    Caleffi North America 521352A 5213 Series 3/4 in. 3-Way MNPT Anti Scald Mix Valve
    SKU: 521352A
    Product DescriptionThe Caleffi North America 521352A is a 3/4 inch 3-way MNPT anti-scald mix valve. This valve is designed to provide precise temperature control for safe water usage. It helps prevent scalding by regulating the hot and cold water mixture according to set temperatures....
    $105.42
    $105.42
  • Caleffi NA573022 Water Treatment Kit Fill Unit 1/2 FNPTCaleffi NA573022 Water Treatment Kit Fill Unit 1/2 FNPT
    CALEFFI
    Caleffi NA573022 Water Treatment Kit Fill Unit 1/2 FNPT
    SKU: NA573022
    Product DescriptionThe Caleffi NA573022 is a water treatment kit fill unit designed for use in hydronic heating systems. This unit helps maintain system pressure and automatically fills with water when needed. It consists of essential components like a backflow preventer and a filter housing...
    $372.17
    $372.17
  • Caleffi 521357A TubMixer 3/4 PEX Crimp ASSE 1070 Anti-ScaldCaleffi 521357A TubMixer 3/4 PEX Crimp ASSE 1070 Anti-Scald
    CALEFFI
    Caleffi 521357A TubMixer 3/4 PEX Crimp ASSE 1070 Anti-Scald
    SKU: 521357A
    Product DescriptionThe Caleffi 521357A is a thermostatic mixing valve designed for point-of-use applications. It features a three-way design that effectively balances water temperature to prevent scalding. This valve includes built-in check valves for both hot and cold inlets ensuring safe operation. Lead-free brass construction...
    $105.42
    $105.42
  • Caleffi 521506A MixCal 3-way Mixing Valve 3/4 PressCaleffi 521506A MixCal 3-way Mixing Valve 3/4 Press
    CALEFFI
    Caleffi 521506A MixCal 3-way Mixing Valve 3/4 Press
    SKU: 521506A
    Product Description The Caleffi MixCal 521506A is a three-way mixing valve. It is designed for use in domestic hot water systems and hydronic heating. This valve maintains a consistent output temperature. It can adjust to changes in pressure and temperature, ensuring reliable performance. Low-lead...
    $196.98
    $196.98
  • Caleffi 538402FD Dirtmag 1/2 x 3/4 in. MPT x GHT Boiler Drain ValveCaleffi 538402FD Dirtmag 1/2 x 3/4 in. MPT x GHT Boiler Drain Valve
    CALEFFI
    Caleffi 538402FD Dirtmag 1/2 x 3/4 in. MPT x GHT Boiler Drain Valve
    SKU: 538402FD
    Product DescriptionThe Caleffi 538402FD is a boiler drain valve designed for efficient drainage in various plumbing applications. This valve features a half inch by three-fourth inch MPT and GHT connection, making it suitable for multiple systems. It is compatible with Hydro Separator Series 548,...
    $23.06
    $23.06
  • Caleffi 521347A TubMixer™ 1/2 PEX Crimp ASSE 1070 Anti-ScaldCaleffi 521347A TubMixer™ 1/2 PEX Crimp ASSE 1070 Anti-Scald
    CALEFFI
    Caleffi 521347A TubMixer™ 1/2 PEX Crimp ASSE 1070 Anti-Scald
    SKU: 521347A
    Product DescriptionThe Caleffi TubMixer™ with MPN 521347A is a 1/2 inch thermostatic mixing valve designed to prevent scalding from hot water. This valve features a pressure balanced design and is suitable for point of use applications. It includes check valves on both hot and...
    $102.04
    $102.04
  • Caleffi Z307433 3-Way Diverting Brass Valve Body 1/2 Inch Sweat Connection Low LeadCaleffi Z307433 3-Way Diverting Brass Valve Body 1/2 Inch Sweat Connection Low Lead
    CALEFFI
    Caleffi Z307433 3-Way Diverting Brass Valve Body 1/2 Inch Sweat Connection Low Lead
    SKU: Z307433
    Product DescriptionThe Caleffi Z307433 3-Way Diverting Brass Valve Body is designed for precision handling of hot or chilled water in hydronic heating and cooling systems. This valve exhibits superior performance in HVAC applications, tailored to ensure reliable and effective zone control. Efficient control and...
    $79.40
    $79.40
  • Caleffi 538202 FD Drain Valve 1/4-Inch Garden Hose with CapCaleffi 538202 FD Drain Valve 1/4-Inch Garden Hose with Cap
    CALEFFI
    Caleffi 538202 FD Drain Valve 1/4-Inch Garden Hose with Cap
    SKU: 538202-FD
    Product DescriptionThe Caleffi 538202 FD Drain Valve is designed for efficient fluid management. This valve features a 1/4-inch NPT connection with a garden hose thread (GHT) cap. 1/4-inch NPT connection Garden hose thread with cap Effective fluid drainage Product HighlightsThe Caleffi 538202 FD Drain...
    $23.30
    $23.30
  • Caleffi R59119 Discal Air Vent CapCaleffi R59119 Discal Air Vent Cap
    CALEFFI
    Caleffi R59119 Discal Air Vent Cap
    SKU: R59119
    Product DescriptionThe Caleffi R59119 is a replacement air vent cap for the DISCAL 551 series air separator and DISCALDIRT 546 series dirt separator. This part is essential for maintaining the efficiency of these systems by allowing trapped air to escape, which helps prevent air...
    $21.99
    $21.99
  • CALEFFI Z307537 3-Way Sweat Zone Valve Body 7.5CvCALEFFI Z307537 3-Way Sweat Zone Valve Body 7.5Cv
    CALEFFI
    CALEFFI Z307537 3-Way Sweat Zone Valve Body 7.5Cv
    SKU: Z307537
    Product DescriptionThe CALEFFI Z307537 3/4 inch sweat, 3-way, diverting lead-free brass valve body is engineered for optimal performance in hydronic heating and cooling systems. This valve allows for precise control of water flow with a capacity of 7.5 Cv and a maximum pressure of...
    $93.13
    $93.13
  • Caleffi Z116000 Actuator With End Switch 120VCaleffi Z116000 Actuator With End Switch 120V
    CALEFFI
    Caleffi Z116000 Actuator With End Switch 120V
    SKU: Z116000
    Product DescriptionThe Caleffi Z116000 is a versatile actuator designed for 120V operation. It includes an end switch, providing a reliable indication of the actuator's position, which is crucial for monitoring and control systems in various industrial applications. The robust construction ensures durability and reliability...
    $106.94
    $106.94
  • Caleffi 535370HA Pressure Reducing Valve ASSE 1003 Female 1 1/4 Inch NPT
    CALEFFI
    Caleffi 535370HA Pressure Reducing Valve ASSE 1003 Female 1 1/4 Inch NPT
    SKU: 535370HA
    Product DescriptionOptimize your plumbing system's performance with the Caleffi 535370HA, a top-grade pressure reducing valve designed for both residential and commercial use. This essential component guarantees reliable water pressure management in various plumbing setups. Engineered with Ecobrass to prevent dezincification and enhance durability. Features...
    $296.71
    $296.71
  • Caleffi 120351A-000 3/4 NPT FlowCal Y-Strainer w/ Integral Ball Valve & Pressure and Temperature Test PortsCaleffi 120351A-000 3/4 NPT FlowCal Y-Strainer w/ Integral Ball Valve & Pressure and Temperature Test Ports
    CALEFFI
    Caleffi 120351A-000 3/4 NPT FlowCal Y-Strainer w/ Integral Ball Valve & Pressure and Temperature Test Ports
    SKU: 120351A-000
    Product DescriptionThe Caleffi 120351A-000 is a Y-strainer designed for plumbing applications. It features a three-quarter inch NPT connection with an integral ball valve that simplifies inspection and maintenance. The unique design allows for easy replacement of the strainer cartridge without disconnecting the entire unit...
    $129.64
    $129.64
  • CALEFFI 519600A Differential Bypass Valve 1 Inch NPTCALEFFI 519600A Differential Bypass Valve 1 Inch NPT
    CALEFFI
    CALEFFI 519600A Differential Bypass Valve 1 Inch NPT
    SKU: 519600A
    Product DescriptionThe CALEFFI 519600A Differential Bypass Valve is engineered to maintain a consistent differential pressure in your HVAC or industrial systems. It features robust 1 inch MNPT x FNPT connections and is suitable for both water and glycol mixtures. Maintains consistent flow and eliminates...
    $175.67
    $175.67
  • CALEFFI
    Caleffi 502040A Minical Air Vent 1/2 NPT
    SKU: 502040A
    Product DescriptionCaleffi's Minical Air Vent 502040A is a reliable air release valve designed for hydronic systems. This automatic air vent effectively removes trapped air, ensuring optimal system performance. It features a 1/2 NPT connection, making it suitable for various applications. Automatic operation Compact design...
    $21.99
    $21.99
  • Caleffi Z40F 2-Way Normally Closed Solenoid Valve 24VCaleffi Z40F 2-Way Normally Closed Solenoid Valve 24V
    CALEFFI
    Caleffi Z40F 2-Way Normally Closed Solenoid Valve 24V
    SKU: Z40F
    Product DescriptionThe Caleffi Z40F is a 2-way normally closed solenoid valve engineered for robust performance in heating and cooling applications. This valve effectively controls the flow of water within a system, featuring a brass body for increased durability and an EPDM seal for reliable...
    $138.67
    $138.67
  • Caleffi Z300432 3-Way 1/2 Sweat Valve 2.5 Cv 50 PSI
    CALEFFI
    Caleffi Z300432 3-Way 1/2 Sweat Valve 2.5 Cv 50 PSI
    SKU: Z300432
    Product DescriptionThe Caleffi Z300432 3-Way 1/2 Sweat Valve offers a versatile solution for HVAC systems. This valve is perfect for redirecting or shutting off water flow in hydronic heating and air conditioning setups. Its compact design is suitable for baseboard and fan coil units....
    $67.45
    $67.45
  • Caleffi Z111900 Normally Closed Motorized Zone Valve High Current Micro-Switch 24VCaleffi Z111900 Normally Closed Motorized Zone Valve High Current Micro-Switch 24V
    CALEFFI
    Caleffi Z111900 Normally Closed Motorized Zone Valve High Current Micro-Switch 24V
    SKU: Z111900
    Product DescriptionThe Caleffi Z111900 is a high-performance motorized zone valve designed for efficient flow control in HVAC systems. This model operates on a 24V power system and features a high-current micro-switch for reliable operation. High current actuator ensures robust performance in industrial environments. Ideal...
    $106.94
    $106.94
  • Caleffi 535341HA 535H Series Reducing Valve ASSE 1003, Female 1/2 NPT with Pressure GaugeCaleffi 535341HA 535H Series Reducing Valve ASSE 1003, Female 1/2 NPT with Pressure Gauge
    CALEFFI
    Caleffi 535341HA 535H Series Reducing Valve ASSE 1003, Female 1/2 NPT with Pressure Gauge
    SKU: 535341HA
    Product DescriptionThe Caleffi 535341HA 535H Series Reducing Valve is designed for both residential and commercial applications. It features a 1/2 inch female NPT connection and comes with a pressure gauge. Pre-adjustable pressure reducing valve Low lead dezincification resistant Ecobrass body Unique noise reducing pressure...
    $102.84
    $102.84
  • Caleffi 656414 Thermo-Electric Actuator 24v with MicroswitchCaleffi 656414 Thermo-Electric Actuator 24v with Microswitch
    CALEFFI
    Caleffi 656414 Thermo-Electric Actuator 24v with Microswitch
    SKU: 656414
    Product DescriptionThe Caleffi 656414 Thermo-Electric Actuator is designed for seamless integration into heating systems, featuring a 24-volt power rating and a built-in microswitch for precise control. Ideal for regulating temperature in HVAC systems, this actuator ensures high-performance operation with robust durability. Low power consumption...
    $101.25
    $101.25

About Caleffi

Caleffi started in Gozzano, Italy and then moved its headquarters to Fontaneto d'Agogna, where it is today. The company initially manufactured brass and steel fittings and accessories for other valve manufacturers. They have always had high quality and efficiency standards, maintained by their quality control system. In 2007, Caleffi opened a new 35,000 square-foot facility in the Menomonee Valley of Milwaukee.

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