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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...
    $104.69
    $104.69
  • 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...
    $92.38
    $92.38
  • 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...
    $102.87
    $102.87
  • 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...
    $138.73
    $138.73
  • 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...
    $94.85
    $94.85
  • 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...
    $99.13
    $99.13
  • 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...
    $189.98
    $189.98
    $221.97
  • 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...
    $81.90
    $81.90
  • 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....
    $186.04
    $186.04
  • 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....
    $215.39
    $215.39
  • 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...
    $180.74
    $180.74
  • 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...
    $36.07
    $36.07
  • Caleffi 520510AX 3/4 MNPT Outlet Tankmixer Water Heater Mixing Valve w/ GaugeCaleffi 520510AX 3/4 MNPT Outlet Tankmixer Water Heater Mixing Valve w/ Gauge
    CALEFFI
    Caleffi 520510AX 3/4 MNPT Outlet Tankmixer Water Heater Mixing Valve w/ Gauge
    SKU: 520510AX
    Product DescriptionThe Caleffi 520510AX is a 3/4 MNPT outlet tankmixer water heater mixing valve. This valve is essential for maintaining the desired output temperature of mixed water. It features a flexible installation process for gas-fired water heaters and complies with national standards. Application: Point...
    $227.01
    $227.01
  • 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...
    $144.85
    $144.85
  • Caleffi NA21193 2 in. Female Union with 2-1/2 in. Nut and Washer for 535H PresCal and NA514xx Serviceable Check Series Pressure Reducing Valves
    CALEFFI
    Caleffi NA21193 2 in. Female Union with 2-1/2 in. Nut and Washer for 535H PresCal and NA514xx Serviceable Check Series Pressure Reducing Valves
    SKU: NA21193
    Product DescriptionThe Caleffi NA21193 is a two-inch female union designed for use with the 535H PresCal and NA514xx serviceable check series pressure reducing valves. This product includes a two-and-a-half-inch nut and washer for secure and reliable connections. Compatible with 535H PresCal and NA514xx pressure...
    $106.77
    $106.77
  • Caleffi 521201AP SinkMixer Scald Protection 4-Way Thermostatic Mixing Valve with Fitting Package 0.52 CVCaleffi 521201AP SinkMixer Scald Protection 4-Way Thermostatic Mixing Valve with Fitting Package 0.52 CV
    CALEFFI
    Caleffi 521201AP SinkMixer Scald Protection 4-Way Thermostatic Mixing Valve with Fitting Package 0.52 CV
    SKU: 521201AP
    Product DescriptionThe Caleffi 521201AP SinkMixer is a thermostatic mixing valve designed for under-sink use, ensuring safe tempered water delivery. This valve features a patented low-lead brass body to provide high flow capacity while maintaining a compact design. Its four-port configuration simplifies installation and reduces...
    $80.69
    $80.69
  • Caleffi NA29284 Shut-Off Air Vent Valve 1/2 MNPTCaleffi NA29284 Shut-Off Air Vent Valve 1/2 MNPT
    CALEFFI
    Caleffi NA29284 Shut-Off Air Vent Valve 1/2 MNPT
    SKU: NA29284
    Product Description The Caleffi NA29284 Shut-Off Air Vent Valve is engineered to ensure precise air flow control in various hydronic systems. Featuring a 1/2 inch NPT male connection, this valve is easy to install and compatible with multiple piping systems. 1/2 inch NPT male...
    $44.18
    $44.18
  • 199563500.jpg199563501.jpg
    CALEFFI
    Caleffi CBN546209 Insulation Shell for DIRTMAG 2
    SKU: CBN546209
    Product DescriptionThe Caleffi CBN546209 is an insulation shell designed for use with the DIRTCAL and DIRTMAG series of dirt separators. This component enhances the operational efficiency and longevity of the dirt separators. It assists in maintaining optimal thermal performance while preventing heat loss. Fits...
    $69.18
    $69.18
  • Caleffi 520516A AngleMix 3-Way Mixing Valve 3/4 PressCaleffi 520516A AngleMix 3-Way Mixing Valve 3/4 Press
    CALEFFI
    Caleffi 520516A AngleMix 3-Way Mixing Valve 3/4 Press
    SKU: 520516A
    Product DescriptionThe Caleffi AngleMix™ 520516A is a thermostatic mixing valve designed for domestic hot water systems. This valve easily mounts on top of water heaters for efficient installation. It keeps the output temperature steady, ensuring the mixed water remains at the desired level while...
    $198.33
    $198.33
  • Caleffi 551003A Discal Air Separator 3/4 inch NPT CompactCaleffi 551003A Discal Air Separator 3/4 inch NPT Compact
    CALEFFI
    Caleffi 551003A Discal Air Separator 3/4 inch NPT Compact
    SKU: 551003A
    Product DescriptionOptimize your heating and cooling systems with the Caleffi Discal Air Separator, model 551003A. This compact unit is expertly designed to continuously remove air down to the micro-bubble level, enhancing the system's efficiency and lifespan. High-efficiency air removal boosts system performance and durability....
    $94.13
    $94.13

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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