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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...
    $103.58
    $103.58
  • 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...
    $92.29
    $92.29
  • Caleffi Z151000 | 24v Zone Valve Actuator With Microswitch Terminal Block ConnectionCaleffi Z151000 | 24v Zone Valve Actuator With Microswitch Terminal Block Connection
    CALEFFI
    Caleffi Z151000 | 24v Zone Valve Actuator With Microswitch Terminal Block Connection
    SKU: Z151000
    Product DescriptionThe Caleffi Z151000 is a 24-volt zone valve actuator designed for controlling water flow in hydronic heating and cooling systems. It features a microswitch terminal block that ensures reliable electrical connections. The actuator operates on a 24 VAC power supply and has a...
    $102.76
    $102.76
  • Caleffi 535361HA 1 NPTF Pressure Reducing Valve with Gauge Low Lead Pre-adjustableCaleffi 535361HA 1 NPTF Pressure Reducing Valve with Gauge Low Lead Pre-adjustable
    CALEFFI
    Caleffi 535361HA 1 NPTF Pressure Reducing Valve with Gauge Low Lead Pre-adjustable
    SKU: 535361HA
    Product DescriptionThe Caleffi 535361HA is a 1 NPTF pressure reducing valve with gauge. This valve is ideal for residential and commercial plumbing applications. Low lead dezincification resistant Ecobrass body Noise reducing pressure balanced cartridge Adjustable and replaceable cartridge Product HighlightsThis valve includes a stainless...
    $137.77
    $137.77
  • 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...
    $92.29
    $92.29
  • Caleffi Z111000 Z-One™ 24 V Electric Aluminum and Plastic ActuatorCaleffi Z111000 Z-One™ 24 V Electric Aluminum and Plastic Actuator
    CALEFFI
    Caleffi Z111000 Z-One™ 24 V Electric Aluminum and Plastic Actuator
    SKU: Z111000
    Product DescriptionThe Caleffi Z111000 is a 24V electric actuator designed for efficiently controlling valve operations in various fluid systems. This actuator features a normally closed (N/C) function and integrates seamlessly into industrial applications, making it suitable for HVAC, plumbing, and process control environments. Efficient...
    $99.02
    $99.02
  • Caleffi 521419AC 1/2 Sweat Thermostatic Mixing Valve w/Temp Gauge & Check ValveCaleffi 521419AC 1/2 Sweat Thermostatic Mixing Valve w/Temp Gauge & Check Valve
    CALEFFI
    Caleffi 521419AC 1/2 Sweat Thermostatic Mixing Valve w/Temp Gauge & Check Valve
    SKU: 521419AC
    Product DescriptionThe Caleffi 521419AC 1/2 Sweat Thermostatic Mixing Valve is designed to regulate water temperature, ensuring safety and comfort in various applications. Crafted from low-lead brass, this valve features integrated check valves to prevent backflow, a temperature gauge for monitoring, and it is certified...
    $199.52
    $199.52
    $221.97
  • 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...
    $68.22
    $68.22
  • 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 designed to prevent the backflow of contaminated fluids in plumbing systems. It features a 1/2 NPT female connection, suitable for various piping systems. This device is built to maintain system integrity and prevent cross-contamination. Prevents backflow contamination...
    $81.81
    $81.81
  • 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....
    $207.23
    $207.23
  • 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....
    $217.16
    $217.16
  • 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...
    $190.00
    $190.00
  • CALEFFI NA20658 3/4 in. PEX Expansion Tailpiece
    CALEFFI
    CALEFFI NA20658 3/4 in. PEX Expansion Tailpiece
    SKU: NA20658
    Product DescriptionThe CALEFFI NA20658 is a 3/4 inch PEX expansion tailpiece designed for use with TankMixer water heater tank mixing valves. This part is essential in connecting water heater systems effectively. It accommodates PEX connections and ensures a reliable fit. Includes one nut and...
    $22.06
    $22.06
  • Caleffi NA20650 3/4 in. Male Union with 1 in. Nut and Washer for 127 FlowCal and 520 TankMixe Series Pressure Reducing Valves
    CALEFFI
    Caleffi NA20650 3/4 in. Male Union with 1 in. Nut and Washer for 127 FlowCal and 520 TankMixe Series Pressure Reducing Valves
    SKU: NA20650
    Product DescriptionThe Caleffi NA20650 is a 3/4 inch male union with a 1 inch nut and washer. This part is designed for use with 127 FlowCal and 520 TankMixe series pressure reducing valves. 3/4 inch male union 1 inch nut and washer Compatible with...
    $24.59
    $24.59
  • Caleffi NA20983 1-1/2 in. Female Union with 2 in. Nut and Washer for 535H PresCal Series Pressure Reducing Valves
    CALEFFI
    Caleffi NA20983 1-1/2 in. Female Union with 2 in. Nut and Washer for 535H PresCal Series Pressure Reducing Valves
    SKU: NA20983
    Product Description The NA20983 by Caleffi is a 1-1/2 inch female union complete with a 2 inch nut and washer, specifically designed for use with the 535H PresCal Series Pressure Reducing Valves. This union ensures a secure and effective connection for your valve applications....
    $78.98
    $78.98
  • Caleffi 535381HA Pressure Reducing Valve w/ Gauge Low Lead 1-1/2 FNPT FNPTCaleffi 535381HA Pressure Reducing Valve w/ Gauge Low Lead 1-1/2 FNPT FNPT
    CALEFFI
    Caleffi 535381HA Pressure Reducing Valve w/ Gauge Low Lead 1-1/2 FNPT FNPT
    SKU: 535381HA
    Product DescriptionThe Caleffi 535381HA is a pre-adjustable pressure reducing valve designed for various applications in residential and commercial plumbing. It features a low lead dezincification resistant Ecobrass body that ensures a long service life. This valve includes a dial indicator for easy pressure readings...
    $392.42
    $392.42
  • Caleffi NA20768 1 in. Expansion Pex Tailpiece
    CALEFFI
    Caleffi NA20768 1 in. Expansion Pex Tailpiece
    SKU: NA20768
    Product DescriptionThe Caleffi NA20768 1 inch Expansion Pex Tailpiece is designed for use with TankMixer water heater tank mixing valves. It features a PEX barb connection for easy installation. This durable tailpiece ensures a secure fit and reliable performance in your water heating system....
    $33.25
    $33.25
  • Caleffi 535009HA Replacement Cartridge for 535HA Series Pressure Reducer (1-1/4, 1-1/2 and 2 in.)
    CALEFFI
    Caleffi 535009HA Replacement Cartridge for 535HA Series Pressure Reducer (1-1/4, 1-1/2 and 2 in.)
    SKU: 535009HA
    Product DescriptionThe Caleffi 535009HA Replacement Cartridge is designed specifically for use with 1-1/4 inch, 1-1/2 inch, and 2 inch 535HA Series Pressure Reducers. This essential component ensures optimal performance and longevity of your valve system. Manufactured by Caleffi, the 535009HA MPN is a reliable...
    $143.28
    $143.28
  • CALEFFI
    CALEFFI NA20763 1 in Female Union with 1-1/4 in Nut and Washer for 535H PresCal and 5206 AngleMix Series Pressure Reducing Valves
    SKU: NA20763
    Product DescriptionEnhance your valve installation with the Caleffi NA20763 Union, designed specifically for the 535H PresCal and 5206 AngleMix series pressure reducing valves. This accessory ensures a reliable and secure connection, optimizing the performance of your plumbing system. Seamless integration with specific valve models...
    $35.01
    $35.01
  • Caleffi 304050A 3/4 inch Male Vacuum Relief Valve
    CALEFFI
    Caleffi 304050A 3/4 inch Male Vacuum Relief Valve
    SKU: 304050A
    Product DescriptionThe Caleffi 304050A 3/4 inch Male Vacuum Relief Valve is designed for plumbing and heating systems. This valve helps to prevent vacuum conditions that could compromise system integrity. 3/4 inch connection size Made from DZR low-lead brass Meets multiple industry standards Product HighlightsEnsures...
    $35.77
    $35.77

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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