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  • Caleffi 535751HA 3/4 PEX Crimp Pressure Reducing Valve ASSE 1003 with Pressure Gauge Low Lead Pre-adjustableCaleffi 535751HA 3/4 PEX Crimp Pressure Reducing Valve ASSE 1003 with Pressure Gauge Low Lead Pre-adjustable
    CALEFFI
    Caleffi 535751HA 3/4 PEX Crimp Pressure Reducing Valve ASSE 1003 with Pressure Gauge Low Lead Pre-adjustable
    SKU: 535751HA
    Product DescriptionThe Caleffi 535751HA 3/4 PEX Crimp Pressure Reducing Valve ASSE 1003 with Pressure Gauge is designed for residential and commercial applications. Featuring a low lead dezincification resistant ecobrass body, this valve ensures durability and safety. It also includes a unique noise reducing pressure...
    $102.84
    $102.84
  • Caleffi Z121000 24V Z-One Normally Closed Valve Actuator Without End Switch NCCaleffi Z121000 24V Z-One Normally Closed Valve Actuator Without End Switch NC
    CALEFFI
    Caleffi Z121000 24V Z-One Normally Closed Valve Actuator Without End Switch NC
    SKU: Z121000
    Product DescriptionEnhance your HVAC system's efficiency with the Caleffi Z121000, a 24V normally closed valve actuator. This robust tool is scrupulously crafted to work with Z2 and Z3 series motorized zone valves, ensuring reliable and controlled flow in various setups. Easy integration with standard...
    $89.42
    $89.42
  • Caleffi Z151000 Z-One 24-Volt Normally Closed Valve Actuator with AUX Switch and Terminal BlockCaleffi Z151000 Z-One 24-Volt Normally Closed Valve Actuator with AUX Switch and Terminal Block
    CALEFFI
    Caleffi Z151000 Z-One 24-Volt Normally Closed Valve Actuator with AUX Switch and Terminal Block
    SKU: Z151000
    Product DescriptionThe Caleffi Z151000 Z-One 24-Volt Normally Closed Valve Actuator with AUX Switch and Terminal Block is a hydronic system component designed for controlling water flow in heating and cooling applications. 24 VAC power supply Microswitch terminal block connection Durable polycarbonate body Product HighlightsThis...
    $99.07
    $99.07
  • Caleffi Z126000 Z-One 120-Volt Normally Closed Valve Actuator Without AUX Switch 6-Inch WireCaleffi Z126000 Z-One 120-Volt Normally Closed Valve Actuator Without AUX Switch 6-Inch Wire
    CALEFFI
    Caleffi Z126000 Z-One 120-Volt Normally Closed Valve Actuator Without AUX Switch 6-Inch Wire
    SKU: Z126000
    Product DescriptionThe Caleffi Z126000 Z-One 120-Volt Normally Closed Valve Actuator without AUX Switch and 6-Inch Wire is a critical component for managing hydronic systems. It ensures reliable operation of zone valves for optimal temperature control in various applications. 120-Volt power supply for direct connection...
    $89.42
    $89.42
  • Caleffi Z111000 24V Z-One N/C Valve Actuator with Microswitch and 18 Lead WiresCaleffi Z111000 24V Z-One N/C Valve Actuator with Microswitch and 18 Lead Wires
    CALEFFI
    Caleffi Z111000 24V Z-One N/C Valve Actuator with Microswitch and 18 Lead Wires
    SKU: Z111000
    Product DescriptionThe Caleffi Z111000 is a 24V Z-One N/C valve actuator designed to provide efficient control over fluid systems. With its durable construction and compact design, this actuator is suitable for a wide range of industrial applications. 24V power supply for precise valve control...
    $95.36
    $95.36
  • Caleffi 573403A Backflow Preventer 1/2 NPT FemaleCaleffi 573403A Backflow Preventer 1/2 NPT Female
    CALEFFI
    Caleffi 573403A Backflow Preventer 1/2 NPT Female
    SKU: 573403A
    Product DescriptionThe Caleffi 573403A Backflow Preventer is a reliable solution for protecting water systems from contamination. It features a 1/2-inch NPT Female connection, ensuring secure installation in various piping systems. Prevents backflow contamination Durable brass construction Compact design for space efficiency Product HighlightsThe Caleffi...
    $79.40
    $79.40
  • Caleffi Z56P 24V NC 2 Way Zone Valve 1 Union Press Connections 7.5cv Terminal Block & Aux. SwitchCaleffi Z56P 24V NC 2 Way Zone Valve 1 Union Press Connections 7.5cv Terminal Block & Aux. Switch
    CALEFFI
    Caleffi Z56P 24V NC 2 Way Zone Valve 1 Union Press Connections 7.5cv Terminal Block & Aux. Switch
    SKU: Z56P
    Product DescriptionThe Caleffi Z56P 24V NC 2 Way Zone Valve, designed for HVAC systems, ensures optimal control and performance. This valve, identified by MPN Z56P, offers enhanced system efficiency and reliability. 1 union press connections for secure fitting. 7.5cv terminal block ensures reliable power....
    $199.94
    $199.94
  • Caleffi ZSR103 Zone Valve Relay 3-Zone 120 VACCaleffi ZSR103 Zone Valve Relay 3-Zone 120 VAC
    CALEFFI
    Caleffi ZSR103 Zone Valve Relay 3-Zone 120 VAC
    SKU: ZSR103
    Product DescriptionImprove the efficiency of your hydronic heating system with the Caleffi ZSR103, a three-zone valve relay. Designed to control both boiler operations and zonal pumps, this device is a must for any residential or commercial space using low voltage thermostats or similar controllers....
    $247.82
    $247.82
  • Caleffi 250041A Solar Systems Automatic Air Vent 1/2 NPT Connection
    CALEFFI
    Caleffi 250041A Solar Systems Automatic Air Vent 1/2 NPT Connection
    SKU: 250041A
    Product DescriptionThe Caleffi 250041A is an automatic air vent designed for solar systems. It features a one half inch National Pipe Thread (NPT) connection. The vent helps maintain optimal performance by venting air from the system. This unit is constructed from brass for durability...
    $66.02
    $66.02
  • Caleffi 521519A Mixing Cal 3-Way Thermostatic Mixing Valve Low-Lead Brass with Adaptor
    CALEFFI
    Caleffi 521519A Mixing Cal 3-Way Thermostatic Mixing Valve Low-Lead Brass with Adaptor
    SKU: 521519A
    Product DescriptionExplore the Caleffi 521519A, a robust three-way thermostatic mixing valve designed for optimizing system performance in both domestic hot water and hydronic heating applications. Crafted from sturdy low-lead brass, this valve ensures compliance with stringent safe water drinking standards. Enabled for high-performance applications...
    $183.51
    $183.51
  • Caleffi 573503A Backflow Preventer 3/4 NPT FemaleCaleffi 573503A Backflow Preventer 3/4 NPT Female
    CALEFFI
    Caleffi 573503A Backflow Preventer 3/4 NPT Female
    SKU: 573503A
    Product DescriptionThe Caleffi 573503A Backflow Preventer is designed to safeguard your water systems from reverse flow and contamination. Featuring a 3/4 NPT female connection, this backflow preventer effectively prevents the backward flow of contaminated water into clean water lines, ensuring the purity and safety...
    $93.97
    $93.97
  • Caleffi Z44 1/2 Inch Sweat 2-Way Zone Valve 24V NC
    CALEFFI
    Caleffi Z44 1/2 Inch Sweat 2-Way Zone Valve 24V NC
    SKU: Z44
    Product DescriptionThe Caleffi Z44 is a 2-way zone valve with a 1/2 inch sweat connection, designed for efficient flow control in HVAC systems. Ideal for professionals in the heating and plumbing industries, this valve ensures reliable performance in various applications. Features a 24V normally...
    $130.48
    $130.48
  • CALEFFI
    Caleffi F59650 Autofill Replacement Cartridge
    SKU: F59650
    Product DescriptionThe Caleffi F59650 is an autofill replacement cartridge designed for use with Caleffi autofill valves. This replacement cartridge ensures optimal performance and longevity of the autofill system. It is straightforward to replace and is made from durable materials, making it a reliable choice...
    $39.49
    $39.49
  • Caleffi NA20976 Valve Fitting For Use With 548/5495 Series Union 1-1/4 in Press Hydro Separator
    CALEFFI
    Caleffi NA20976 Valve Fitting For Use With 548/5495 Series Union 1-1/4 in Press Hydro Separator
    SKU: NA20976
    Product DescriptionThe Caleffi NA20976 is a valve fitting designed for use with the 548 and 5495 series union, specifically tailored for a one and one-fourth inch press hydro separator. This fitting ensures a secure connection in hydronic systems. It is ideal for professionals in...
    $109.74
    $109.74
  • Caleffi NA21293 Valve Fitting For Use With 548/5495 Series Union 2 in FNPT Hydro Separator
    CALEFFI
    Caleffi NA21293 Valve Fitting For Use With 548/5495 Series Union 2 in FNPT Hydro Separator
    SKU: NA21293
    Product DescriptionThe Caleffi NA21293 Valve Fitting is designed for use with the 548 and 5495 Series Union two inch FNPT Hydro Separator and the DISCALDIRTMAG 5461 Series Air and Dirt Separator. This valve fitting ensures reliable connection and performance in hydronic systems. Compatible with...
    $132.36
    $132.36
  • Caleffi 519700A Differential Bypass Valve 1-1/4 inch NPTCaleffi 519700A Differential Bypass Valve 1-1/4 inch NPT
    CALEFFI
    Caleffi 519700A Differential Bypass Valve 1-1/4 inch NPT
    SKU: 519700A
    Product DescriptionThe Caleffi 519700A is a differential bypass valve with 1-1/4 inch NPT connections, designed to optimize HVAC system performance by maintaining constant pressure and flow. Durable brass construction ensures long-term reliability. Adjustable settings from 2 to 10 psi for precise control. Maximum temperature...
    $209.80
    $209.80
  • Caleffi 521342A Mixing Valve 5213 Thermostatic 3-Way TubMixer with Check Valve 1/2 Inch Low Lead Brass NPT Male Union 150 Pounds per Square Inch
    CALEFFI
    Caleffi 521342A Mixing Valve 5213 Thermostatic 3-Way TubMixer with Check Valve 1/2 Inch Low Lead Brass NPT Male Union 150 Pounds per Square Inch
    SKU: 521342A
    Product DescriptionThe Caleffi 521342A is a thermostatic mixing valve designed for plumbing and hydronic applications. Constructed with low lead brass, this valve helps maintain safe water temperatures, protecting users from scalding. It features a three-way configuration with check valves on both hot and cold...
    $102.04
    $102.04
  • Caleffi 521367A TubMixer 1 PEX CrimpASSE 1070 Anti-ScaldCaleffi 521367A TubMixer 1 PEX CrimpASSE 1070 Anti-Scald
    CALEFFI
    Caleffi 521367A TubMixer 1 PEX CrimpASSE 1070 Anti-Scald
    SKU: 521367A
    Product DescriptionThe Caleffi 521367A TubMixer is a 1 PEX crimp thermostatic mixing valve designed for point-of-use applications. Its function is to protect users from scalding hot water. This valve features a locking set point for temperature control and is compliant with ASSE 1070 standards....
    $127.45
    $127.45
  • Caleffi 521362A TubMixer 1 NPTASSE 1070 Anti-ScaldCaleffi 521362A TubMixer 1 NPTASSE 1070 Anti-Scald
    CALEFFI
    Caleffi 521362A TubMixer 1 NPTASSE 1070 Anti-Scald
    SKU: 521362A
    Product DescriptionThe Caleffi 521362A is a TubMixer 1 NPTASSE 1070 anti-scald mixing valve designed for point-of-use applications. This valve provides an effective way to prevent scalding by allowing users to control the temperature of the water at the source. With a nominal size of...
    $127.45
    $127.45
  • Caleffi 521301A Body Replacement No Fittings 2 Cv for Adjustable Thermostatic Mixing Valve 5213Caleffi 521301A Body Replacement No Fittings 2 Cv for Adjustable Thermostatic Mixing Valve 5213
    CALEFFI
    Caleffi 521301A Body Replacement No Fittings 2 Cv for Adjustable Thermostatic Mixing Valve 5213
    SKU: 521301A
    Product Description The Caleffi Body Replacement No Fittings 2 Cv is designed for use with the Adjustable Thermostatic Mixing Valve 5213. This replacement part ensures efficient operation and reliability in plumbing systems. Compatible with Adjustable Thermostatic Mixing Valve 5213 Shipping weight of three pounds...
    $90.96
    $90.96

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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