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  • Caleffi 253044 Safety Relief Valve 60 PsiCaleffi 253044 Safety Relief Valve 60 Psi
    CALEFFI
    Caleffi 253044 Safety Relief Valve 60 Psi
    SKU: 253044
    Product DescriptionThe Caleffi 253044 safety relief valve is essential for maintaining safe pressure levels in water systems. Factory set to 60 PSI, this valve ensures the automatic release of excess pressure, protecting both equipment and personnel. Factory set to 60 PSI Automatic pressure release...
    $61.23
    $61.23
  • Caleffi 520516AC Anglemix 3-Way Mixing Valve 3/4 Press with Check GaugeCaleffi 520516AC Anglemix 3-Way Mixing Valve 3/4 Press with Check Gauge
    CALEFFI
    Caleffi 520516AC Anglemix 3-Way Mixing Valve 3/4 Press with Check Gauge
    SKU: 520516AC
    Product DescriptionThe Caleffi Anglemix 520516AC 3-way mixing valve is a durable and efficient solution for precise temperature control in hydronic heating and cooling systems. It features a 3/4 press connection and an integrated check gauge for real-time pressure monitoring. This compact valve simplifies installation...
    $235.20
    $235.20
  • CALEFFI 551066A DISCAL Air Separator 1 Inch PressCALEFFI 551066A DISCAL Air Separator 1 Inch Press
    CALEFFI
    CALEFFI 551066A DISCAL Air Separator 1 Inch Press
    SKU: 551066A
    Product DescriptionThe CALEFFI 551066A DISCAL Air Separator is designed to continuously remove air from hydronic systems in heating and cooling applications. This 1 inch press-fit separator is essential for maintaining efficient system operation by eliminating air to prevent noise, corrosion, and mechanical damage. Efficient...
    $169.10
    $169.10
  • CALEFFI
    Caleffi 551067A Air Separator 1-1/4 Inch Press DISCAL
    SKU: 551067A
    Product DescriptionThe Caleffi 551067A Air Separator ensures optimal performance in hydronic systems by eliminating air. It features a 1-1/4 inch press connection for easy setup and secure piping. Made from high-quality materials, this separator removes air bubbles that cause corrosion, noise, and inefficiency, extending...
    $246.81
    $246.81
  • Caleffi 573006A 1/2Press BFPx1/2Press AutoCaleffi 573006A 1/2Press BFPx1/2Press Auto
    CALEFFI
    Caleffi 573006A 1/2Press BFPx1/2Press Auto
    SKU: 573006A
    Product DescriptionThe Caleffi 573006A is a 1/2Press BFPx1/2Press Auto designed for press-fit and auto-vent applications. This device is ideal for both residential and commercial plumbing systems. The 1/2 inch size integrates well with existing pipelines, and the press-fit connection ensures a secure and leak-free...
    $178.43
    $178.43
  • Caleffi ZSR104 4 Zone Expandable Switching Relay with PriorityCaleffi ZSR104 4 Zone Expandable Switching Relay with Priority
    CALEFFI
    Caleffi ZSR104 4 Zone Expandable Switching Relay with Priority
    SKU: ZSR104
    Product DescriptionThe Caleffi ZSR104 is an expandable switching relay designed to control up to four hydronic heating zones with additional priority zoning capabilities. This module is ideal for simplified zoning applications where multiple zones require individual control. Integrates with low voltage thermostats or controllers....
    $294.28
    $294.28
  • CALEFFI 502343A 1/2-Inch NPT Automatic High Capacity Male Air Vent
    CALEFFI
    CALEFFI 502343A 1/2-Inch NPT Automatic High Capacity Male Air Vent
    SKU: 502343A
    Product DescriptionThe CALEFFI 502343A is a high-capacity automatic air vent ideal for optimizing HVAC system efficiency by effectively managing air displacement. This crucial device is engineered to resist corrosion while ensuring long-lasting functionality in your system. High-capacity air venting with corrosion-resistant construction Maximum working...
    $44.18
    $44.18
  • CALEFFI 502043A MINICAL 1/2 INCH MPT HIGH CAPACITY AIR VENTCALEFFI 502043A MINICAL 1/2 INCH MPT HIGH CAPACITY AIR VENT
    CALEFFI
    CALEFFI 502043A MINICAL 1/2 INCH MPT HIGH CAPACITY AIR VENT
    SKU: 502043A
    Product DescriptionThe Caleffi 502043A is a high-performance air vent designed to efficiently remove trapped air from hydronic systems. This model features a durable brass construction with a 1/2 inch MNPT connection, suitable for both heating and cooling systems. Efficient air removal from hydronic systems...
    $29.45
    $29.45
  • Caleffi Z54 1/2-Inch 24-Volt Normally Closed Zone ValveCaleffi Z54 1/2-Inch 24-Volt Normally Closed Zone Valve
    CALEFFI
    Caleffi Z54 1/2-Inch 24-Volt Normally Closed Zone Valve
    SKU: Z54
    Product DescriptionCaleffi introduces the Z54, a 1/2-inch 24-volt sweat zone valve designed for seamless integration into hydronic and air conditioning systems. Ideal for professionals in the plumbing and HVAC industries, this valve is engineered to offer precision in control of water flow in various...
    $133.58
    $133.58
  • Caleffi Z55P 24V NC Zone Valve 3/4 Presscon Fittings 7.5CvCaleffi Z55P 24V NC Zone Valve 3/4 Presscon Fittings 7.5Cv
    CALEFFI
    Caleffi Z55P 24V NC Zone Valve 3/4 Presscon Fittings 7.5Cv
    SKU: Z55P
    Product DescriptionThe Caleffi Z55P is a 24V normally closed (NC) zone valve designed for use in hydronic heating and cooling systems. It features 3/4 inch Presscon fittings and offers a 7.5Cv terminal block with an auxiliary switch. Compatible with hydronic systems Includes 3/4 inch...
    $179.01
    $179.01
  • Caleffi Z200432 2-Way Valve Body 1/2 Inch Sweat 2.5 Cv Replacement F69293Caleffi Z200432 2-Way Valve Body 1/2 Inch Sweat 2.5 Cv Replacement F69293
    CALEFFI
    Caleffi Z200432 2-Way Valve Body 1/2 Inch Sweat 2.5 Cv Replacement F69293
    SKU: Z200432
    Product DescriptionThe Caleffi Z200432 is a 2-way valve body with a 1/2 inch SWT connection and a flow coefficient of 2.5 Cv. Designed for professional use in hydronic heating and cooling systems, this valve offers precise control and reliability in fluid management. Optimized for...
    $51.30
    $51.30
  • Caleffi Z141000 24V Without Microswitch 18 WireCaleffi Z141000 24V Without Microswitch 18 Wire
    CALEFFI
    Caleffi Z141000 24V Without Microswitch 18 Wire
    SKU: Z141000
    Product DescriptionThe Caleffi Z141000 is a 24V actuator without a microswitch, featuring 18 wires. It is designed for use in hydronic heating and cooling systems. This actuator operates normally open, ensuring system flow when de-energized. The six-wire lead allows for flexible installation options. Its...
    $96.10
    $96.10
  • CALEFFI
    Caleffi 132552A QuickSetter Balancing Valve with Flow Meter 3/4 Inch NPT 2-7 GPM
    SKU: 132552A
    Product DescriptionThe Caleffi 132552A QuickSetter Balancing Valve with Flow Meter is designed for precise flow control in heating systems, featuring a 3/4 inch NPT connection. This valve ensures optimal system performance by providing accurate flow rate setting between two to seven gallons per minute,...
    $189.21
    $189.21
  • 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....
    $24.75
    $24.75
  • Caleffi 546197A 1-1/4 Sweat 5461 Series Discal Dirtmag Air and Dirt SeparatorCaleffi 546197A 1-1/4 Sweat 5461 Series Discal Dirtmag Air and Dirt Separator
    CALEFFI
    Caleffi 546197A 1-1/4 Sweat 5461 Series Discal Dirtmag Air and Dirt Separator
    SKU: 546197A
    Product DescriptionThe Caleffi 546197A 1-1/4 Sweat 5461 Series Discal Dirtmag Air and Dirt Separator is designed to maintain the efficiency and longevity of industrial piping systems. It effectively removes air, dirt, and ferrous impurities from water, protecting equipment from damage and costly repairs. The...
    $394.84
    $394.84
  • Caleffi 521516A MixCal 3/4 in. Press Thermostat Mixing ValveCaleffi 521516A MixCal 3/4 in. Press Thermostat Mixing Valve
    CALEFFI
    Caleffi 521516A MixCal 3/4 in. Press Thermostat Mixing Valve
    SKU: 521516A
    Product DescriptionThe Caleffi 521516A MixCal 3/4 in. Press Thermostat Mixing Valve is designed for precise control of the temperature in hydronic and domestic water systems. This mixing valve features a durable brass body and internal anti-scale materials to ensure optimal performance and long-lasting use....
    $190.76
    $190.76
  • Caleffi 521516AC 3/4 Press Thermostatic Mixing ValveCaleffi 521516AC 3/4 Press Thermostatic Mixing Valve
    CALEFFI
    Caleffi 521516AC 3/4 Press Thermostatic Mixing Valve
    SKU: 521516AC
    Product DescriptionThe Caleffi 521516AC thermostatic mixing valve is designed for effective temperature control in various water systems. Ideal for hydronic and radiant heating systems, as well as domestic hot water systems. This mixing valve ensures consistent water temperature by compensating for changes in both...
    $227.77
    $227.77
  • Caleffi 521619A 3-Way Adjustable Thermostatic Mixing Valve, 1 inch, 200 PSI, Brass BodyCaleffi 521619A 3-Way Adjustable Thermostatic Mixing Valve, 1 inch, 200 PSI, Brass Body
    CALEFFI
    Caleffi 521619A 3-Way Adjustable Thermostatic Mixing Valve, 1 inch, 200 PSI, Brass Body
    SKU: 521619A
    Product DescriptionThe Caleffi MixCal 521619A is a three-way thermostatic mixing valve designed for systems that produce domestic hot water, including hydronic and radiant heating systems. The valve ensures a consistent output temperature by compensating for temperature and pressure fluctuations in incoming water supplies, functioning...
    $200.74
    $200.74
  • Caleffi Z56 1-Inch Sweat 2-Way Normally Closed Zone Valve 24-Volt 7.5CCaleffi Z56 1-Inch Sweat 2-Way Normally Closed Zone Valve 24-Volt 7.5C
    CALEFFI
    Caleffi Z56 1-Inch Sweat 2-Way Normally Closed Zone Valve 24-Volt 7.5C
    SKU: Z56
    Product DescriptionThe Caleffi Z56 1-Inch Sweat 2-Way Zone Valve, MPN Z56, is designed for hydronic HVAC systems. It operates at 24 volts and is normally closed. With a flow capacity of 7.5 Cv at 20 psig, it ensures precise control over the flow of...
    $171.27
    $171.27
  • Caleffi Z200537 Z-One 2-Way Straight Sweat Valve Body 3/4-Inch Connections 20 PSICaleffi Z200537 Z-One 2-Way Straight Sweat Valve Body 3/4-Inch Connections 20 PSI
    CALEFFI
    Caleffi Z200537 Z-One 2-Way Straight Sweat Valve Body 3/4-Inch Connections 20 PSI
    SKU: Z200537
    Product DescriptionExplore the efficient Caleffi Z200537 Z-One 2-Way Straight Sweat Valve Body, ideal for professional plumbing setups involving medium-pressure applications. This valve body, crafted by Caleffi, ensures a robust and reliable control in your plumbing system. Designed for easy installation with 3/4-inch sweat connections....
    $57.89
    $57.89

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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