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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...
    $102.37
    $102.37
  • 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...
    $99.77
    $99.77
  • 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...
    $90.05
    $90.05
  • 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...
    $96.03
    $96.03
  • 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...
    $193.67
    $193.67
    $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...
    $66.43
    $66.43
  • 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...
    $79.95
    $79.95
  • 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....
    $201.46
    $201.46
  • 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....
    $209.00
    $209.00
  • 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...
    $184.89
    $184.89
  • Caleffi 502015A High Capacity Automatic Air Vent 1/8-Inch NPT MaleCaleffi 502015A High Capacity Automatic Air Vent 1/8-Inch NPT Male
    CALEFFI
    Caleffi 502015A High Capacity Automatic Air Vent 1/8-Inch NPT Male
    SKU: 502015A
    Product DescriptionCaleffi 502015A is a high-capacity automatic air vent designed for use in heating and air conditioning systems. This air vent effectively removes trapped air to enhance system efficiency and longevity. Connection Type: Threaded Connection Size: 1/8-Inch NPT Automatic operation improves performance Product HighlightsThis...
    $21.99
    $21.99
  • Caleffi 502640 1/2 Auto Air VentCaleffi 502640 1/2 Auto Air Vent
    CALEFFI
    Caleffi 502640 1/2 Auto Air Vent
    SKU: 502640
    Product DescriptionCaleffi's 502640 is a 1/2 inch auto air vent designed to efficiently remove air from hydronic heating systems. This air vent plays a crucial role in maintaining optimal performance by alleviating air build-up that can impact heat transfer and lead to operational issues....
    $24.88
    $24.88
  • Caleffi 656354 Actuator 24V with Manual Opening and Micro Control for Industrial UseCaleffi 656354 Actuator 24V with Manual Opening and Micro Control for Industrial Use
    CALEFFI
    Caleffi 656354 Actuator 24V with Manual Opening and Micro Control for Industrial Use
    SKU: 656354
    Product DescriptionThe Caleffi 656354 Thermo-Electric Actuator is engineered for efficient operation within industrial and commercial HVAC systems. Offering both manual override and a micro switch feature, this actuator ensures precise control mechanisms in varying environmental conditions. Designed for use with 676 two-way zone valve...
    $123.69
    $123.69
  • Caleffi North America NA51371 1-1/4 NPT Inline Check Valve
    CALEFFI
    Caleffi North America NA51371 1-1/4 NPT Inline Check Valve
    SKU: NA51371
    Product DescriptionThe Caleffi North America NA51371 is a one and one-quarter inch NPT inline check valve designed for effective liquid flow control. This valve prevents backflow in a piping system, ensuring that liquids move in one direction only. Check valves are essential in various...
    $120.18
    $120.18
  • Caleffi Z200043 2-Way Inverted Flare Valve Body 3.5 Cv 30 psi
    CALEFFI
    Caleffi Z200043 2-Way Inverted Flare Valve Body 3.5 Cv 30 psi
    SKU: Z200043
    Product DescriptionThe Caleffi Z200043 is a durable 2-way inverted flare valve body designed for precise flow control in HVAC systems. This valve automatically controls the flow of hot and chilled water in various applications. Compact design for easy installation in confined spaces. High close-off...
    $55.68
    $55.68
  • Caleffi 132882A Manual Balancing Valve With Flowmeter 1-1/2 NPT 8 to 32 GPM
    CALEFFI
    Caleffi 132882A Manual Balancing Valve With Flowmeter 1-1/2 NPT 8 to 32 GPM
    SKU: 132882A
    Product DescriptionThe CALEFFI 132882A Manual Balancing Valve with Flowmeter is designed for precise flow control in piping systems. It features a built-in flowmeter for accurate measurement and adjustment of fluid flow rates. This valve is essential for ensuring optimal system performance. With a size...
    $394.06
    $394.06
  • Caleffi 574050A Backflow Preventer 3/4 NPT ASSE 1013Caleffi 574050A Backflow Preventer 3/4 NPT ASSE 1013
    CALEFFI
    Caleffi 574050A Backflow Preventer 3/4 NPT ASSE 1013
    SKU: 574050A
    Product DescriptionThe Caleffi 574050A is a backflow preventer designed to meet plumbing codes in the U.S. and Canada. This device helps prevent contamination of drinking water by ensuring that water flows in one direction only. It is suitable for use in various plumbing applications....
    $299.01
    $299.01
  • Caleffi 574006A Backflow Preventer 1 FNPT ASSE 1013Caleffi 574006A Backflow Preventer 1 FNPT ASSE 1013
    CALEFFI
    Caleffi 574006A Backflow Preventer 1 FNPT ASSE 1013
    SKU: 574006A
    Product DescriptionThe Caleffi 574006A is a backflow preventer designed for plumbing applications. It features a size of one FNPT connection per ASSE 1013 standards. This backflow preventer is crucial in preventing contaminated water from flowing back into the clean water supply. Size: 1 inch...
    $310.46
    $310.46

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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