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  • 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...
    $71.07
    $71.07
  • 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...
    $200.28
    $200.28
  • 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....
    $95.03
    $95.03
  • Caleffi 538202 FD Drain Valve 1/4-Inch Garden Hose with CapCaleffi 538202 FD Drain Valve 1/4-Inch Garden Hose with Cap
    CALEFFI
    Caleffi 538202 FD Drain Valve 1/4-Inch Garden Hose with Cap
    SKU: 538202-FD
    Product DescriptionThe Caleffi 538202 FD Drain Valve is designed for efficient fluid management. This valve features a 1/4-inch NPT connection with a garden hose thread (GHT) cap. 1/4-inch NPT connection Garden hose thread with cap Effective fluid drainage Product HighlightsThe Caleffi 538202 FD Drain...
    $16.67
    $16.67
  • CALEFFI Z307537 3-Way Sweat Zone Valve Body 7.5CvCALEFFI Z307537 3-Way Sweat Zone Valve Body 7.5Cv
    CALEFFI
    CALEFFI Z307537 3-Way Sweat Zone Valve Body 7.5Cv
    SKU: Z307537
    Product DescriptionThe CALEFFI Z307537 3/4 inch sweat, 3-way, diverting lead-free brass valve body is engineered for optimal performance in hydronic heating and cooling systems. This valve allows for precise control of water flow with a capacity of 7.5 Cv and a maximum pressure of...
    $97.36
    $97.36
  • Caleffi 645114 Legiomix Actuator 24V Replacement MPN
    CALEFFI
    Caleffi 645114 Legiomix Actuator 24V Replacement MPN
    SKU: 645114
    Product DescriptionThe Caleffi Legiomix Actuator 24V, MPN 645114, controls water flow in hydronic systems. It is suitable for residential and commercial uses. Modulates water flow for consistent temperature. Durable for long service in harsh environments. 24-volt specifications for broad compatibility. Product HighlightsThis actuator enhances...
    $388.29
    $388.29
  • 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...
    $409.94
    $409.94
  • Caleffi 535371HA 1-1/4 NPTF Pressure Reducing Valve w GaugeCaleffi 535371HA 1-1/4 NPTF Pressure Reducing Valve w Gauge
    CALEFFI
    Caleffi 535371HA 1-1/4 NPTF Pressure Reducing Valve w Gauge
    SKU: 535371HA
    Product DescriptionThe Caleffi 535371HA 1-1/4 NPTF Pressure Reducing Valve with Gauge is designed for both residential and commercial applications. This valve is made from low lead, dezincification-resistant Ecobrass and features a unique noise-reducing, pressure-balanced cartridge. Pre-adjustable valve for diverse applications Dezincification-resistant, low-lead Ecobrass body...
    $262.45
    $262.45
  • Caleffi 301040 Straight Two-Pipe Valve 1/2M
    CALEFFI
    Caleffi 301040 Straight Two-Pipe Valve 1/2M
    SKU: 301040
    Product DescriptionCaleffi 301040 is a straight two-pipe valve designed for panel radiators. It connects to both the bottom supply and return ports, allowing fluid flow to the upper thermostatic valve integrated within the radiator. This valve features a center-to-center distance of fifty millimeters, meeting...
    $50.02
    $50.02
  • Caleffi 548069A 2 Press Union Hydro SeparatorCaleffi 548069A 2 Press Union Hydro Separator
    CALEFFI
    Caleffi 548069A 2 Press Union Hydro Separator
    SKU: 548069A
    Product Description The Caleffi 548069A is a hydro separator designed for efficient hydraulic separation. It allows primary and secondary circuits to function independently, reducing pressure loss and eliminating pump conflicts. This feature is essential in maintaining system efficiency. The unit includes a high-capacity air...
    $795.10
    $795.10
  • Caleffi 521201A SinkMixer Anti-scald Valve 3/8 CompressionCaleffi 521201A SinkMixer Anti-scald Valve 3/8 Compression
    CALEFFI
    Caleffi 521201A SinkMixer Anti-scald Valve 3/8 Compression
    SKU: 521201A
    Product DescriptionThe Caleffi 521201A is a thermostatic mixing valve designed for under sink applications. This valve protects users from scalding by regulating hot water temperatures effectively. 4-port design allowing for easy undersink installation Constructed from low-lead brass for durability Features replaceable check valves with...
    $78.25
    $78.25
  • Caleffi 548066A Hydro Separator 1 Press UnionCaleffi 548066A Hydro Separator 1 Press Union
    CALEFFI
    Caleffi 548066A Hydro Separator 1 Press Union
    SKU: 548066A
    Product DescriptionThe Caleffi 548066A is a hydro separator designed to efficiently manage hydraulic systems. This device allows primary and secondary circuits to operate independently. This prevents conflicts between pumps in different circuits. The hydro separator maintains low pressure loss, ensuring steady and reliable flow....
    $382.44
    $382.44
  • Caleffi 549567A SEP 4™ 4-in-1 Union 1 1/4 Press
    CALEFFI
    Caleffi 549567A SEP 4™ 4-in-1 Union 1 1/4 Press
    SKU: 549567A
    Product DescriptionThe Caleffi SEP 4™ with MPN 549567A is a versatile air separator that combines four essential functions into one unit for heating systems. This device performs hydraulic separation, air separation, dirt separation, and magnetic separation, making it an efficient choice for managing hot...
    $703.67
    $703.67
  • Caleffi 548067A Hydro Separator 1-1/4 Press UnionCaleffi 548067A Hydro Separator 1-1/4 Press Union
    CALEFFI
    Caleffi 548067A Hydro Separator 1-1/4 Press Union
    SKU: 548067A
    Product DescriptionThe Caleffi 548067A is a hydraulic separator designed for efficient operation in heating systems. This hydro separator allows for hydraulic independence of primary and secondary circuits. This means that the flow in one circuit will not disrupt the flow in another. This unit...
    $486.46
    $486.46
  • Caleffi 535661HA PressCal PRV ASSE 1003, 1 Press w/ Pressure GaugeCaleffi 535661HA PressCal PRV ASSE 1003, 1 Press w/ Pressure Gauge
    CALEFFI
    Caleffi 535661HA PressCal PRV ASSE 1003, 1 Press w/ Pressure Gauge
    SKU: 535661HA
    Product DescriptionThe Caleffi PressCal PRV ASSE 1003, MPN 535661HA, is a pressure reducing valve designed for both residential and commercial plumbing applications. It features a low lead Ecobrass body, which is compliant with safety standards. This valve includes a pressure gauge for easy monitoring...
    $137.80
    $137.80
  • Caleffi R59119 Discal Air Vent CapCaleffi R59119 Discal Air Vent Cap
    CALEFFI
    Caleffi R59119 Discal Air Vent Cap
    SKU: R59119
    Product DescriptionThe Caleffi R59119 is a replacement air vent cap for the DISCAL 551 series air separator and DISCALDIRT 546 series dirt separator. This part is essential for maintaining the efficiency of these systems by allowing trapped air to escape, which helps prevent air...
    $12.68
    $12.68
  • 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
  • 201140315.jpg201140316.jpg
    CALEFFI
    Caleffi 502630 Automatic Air Vent 3/8 Auto Air Vents
    SKU: 502630
    Product DescriptionThe Caleffi 502630 is an automatic air vent designed to release trapped air in heating systems. It operates efficiently during the filling of the system and throughout normal operation. This component is ideal for hydronic heating systems. When the hygroscopic cellulose fiber discs...
    $27.71
    $27.71
  • Caleffi 535341HA 535H Series Reducing Valve ASSE 1003, Female 1/2 NPT with Pressure GaugeCaleffi 535341HA 535H Series Reducing Valve ASSE 1003, Female 1/2 NPT with Pressure Gauge
    CALEFFI
    Caleffi 535341HA 535H Series Reducing Valve ASSE 1003, Female 1/2 NPT with Pressure Gauge
    SKU: 535341HA
    Product DescriptionThe Caleffi 535341HA 535H Series Reducing Valve is designed for both residential and commercial applications. It features a 1/2 inch female NPT connection and comes with a pressure gauge. Pre-adjustable pressure reducing valve Low lead dezincification resistant Ecobrass body Unique noise reducing pressure...
    $104.69
    $104.69

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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