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  • 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....
    $33.53
    $33.53
  • 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 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 535391HA 2 NPTF Pressure Reducing Valve w/ Gauge (Low Lead, Pre-adjustable)
    CALEFFI
    Caleffi 535391HA 2 NPTF Pressure Reducing Valve w/ Gauge (Low Lead, Pre-adjustable)
    SKU: 535391HA
    Product Description The Caleffi 535391HA is a two-inch NPTF pressure reducing valve designed for both residential and commercial plumbing applications. This valve features a gauge for easy monitoring and is made from low lead, dezincification-resistant Ecobrass. The unique noise-reducing cartridge minimizes sound while in...
    $483.02
    $483.02
  • 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 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 535006HA Replacement Cartridge for 535HA 1/2 to 1 ValveCaleffi 535006HA Replacement Cartridge for 535HA 1/2 to 1 Valve
    CALEFFI
    Caleffi 535006HA Replacement Cartridge for 535HA 1/2 to 1 Valve
    SKU: 535006HA
    Product DescriptionCaleffi 535006HA Replacement Cartridge is designed for 535HA pressure reducer valves ranging from 1/2 to 1 inch. This ensures smooth and efficient operation of your heating system. Compatible with 535HA series valves Sizes 1/2, 3/4, and 1 inches Ensures smooth operation Product HighlightsCaleffi...
    $46.24
    $46.24
  • Caleffi 535761HA 1 PEX Crimp Reducing Valve With Gauge
    CALEFFI
    Caleffi 535761HA 1 PEX Crimp Reducing Valve With Gauge
    SKU: 535761HA
    Product DescriptionThe Caleffi 535761HA is a 1-inch PEX Crimp Reducing Valve with Gauge. This valve is designed for both residential and commercial plumbing systems. The valve helps manage water pressure and reduce noise. Pre-adjustable pressure reducing valve. Low lead Ecobrass body. Integrated pressure gauge....
    $131.27
    $131.27
  • 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 521416A 3-Way Thermostatic Mixing Valve 1/2 Inch Press Connections with Temperature GaugeCaleffi 521416A 3-Way Thermostatic Mixing Valve 1/2 Inch Press Connections with Temperature Gauge
    CALEFFI
    Caleffi 521416A 3-Way Thermostatic Mixing Valve 1/2 Inch Press Connections with Temperature Gauge
    SKU: 521416A
    Product DescriptionThe Caleffi 521416A 3-Way Thermostatic Mixing Valve is engineered to deliver precise temperature control in domestic hot water, hydronic, and radiant heating systems. This robust valve manages the output temperature of mixed water, compensating for both temperature and pressure variations in the input...
    $227.54
    $227.54
  • Caleffi Z307433 3-Way Diverting Brass Valve Body 1/2 Inch Sweat Connection Low LeadCaleffi Z307433 3-Way Diverting Brass Valve Body 1/2 Inch Sweat Connection Low Lead
    CALEFFI
    Caleffi Z307433 3-Way Diverting Brass Valve Body 1/2 Inch Sweat Connection Low Lead
    SKU: Z307433
    Product DescriptionThe Caleffi Z307433 3-Way Diverting Brass Valve Body is designed for precision handling of hot or chilled water in hydronic heating and cooling systems. This valve exhibits superior performance in HVAC applications, tailored to ensure reliable and effective zone control. Efficient control and...
    $82.95
    $82.95
  • Caleffi 519600A Differential Bypass 1NPT
    CALEFFI
    Caleffi 519600A Differential Bypass 1NPT
    SKU: 519600A
    Product DescriptionCaleffi's 519600A Differential Bypass Valve is designed to manage and maintain a stable differential pressure across a control valve. This product is essential for accurate flow control and protects downstream components from pressure fluctuations. It features one inch NPT connections and is constructed...
    $183.95
    $183.95
  • 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...
    $128.64
    $128.64
  • 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...
    $53.40
    $53.40
  • Caleffi Z44 1/2 Inch Sweat 2-Way Zone Valve 24V NC
    CALEFFI
    Caleffi Z44 1/2 Inch Sweat 2-Way Zone Valve 24V NC
    SKU: Z44
    Product DescriptionThe Caleffi Z44 is a 2-way zone valve with a 1/2 inch sweat connection, designed for efficient flow control in HVAC systems. Ideal for professionals in the heating and plumbing industries, this valve ensures reliable performance in various applications. Features a 24V normally...
    $131.53
    $131.53
  • Caleffi 521406A MixCal™ 3-way Mixing Valve 1/2 PressCaleffi 521406A MixCal™ 3-way Mixing Valve 1/2 Press
    CALEFFI
    Caleffi 521406A MixCal™ 3-way Mixing Valve 1/2 Press
    SKU: 521406A
    Product DescriptionThe Caleffi MixCal™ 521406A is a 3-way mixing valve designed for use in domestic hot water systems and heating applications. This valve keeps the output water temperature stable, adjusting for changes in incoming water temperature and pressure. It is made of low-lead brass...
    $187.18
    $187.18
  • Caleffi Z131000 Actuator with End Switch NO 24V 1 PackCaleffi Z131000 Actuator with End Switch NO 24V 1 Pack
    CALEFFI
    Caleffi Z131000 Actuator with End Switch NO 24V 1 Pack
    SKU: Z131000
    Product DescriptionThe Caleffi Z131000 is a robust actuator featuring a 24V motor with end switch. Designed to facilitate efficient control in valve positioning systems, this model is tailored for ease of integration into HVAC, fluid network, and industrial settings. NO (Normally Open) end switching...
    $122.57
    $122.57
  • Caleffi 680504A 680 Series 1/2 in. PEX Brass Nut Adapter
    CALEFFI
    Caleffi 680504A 680 Series 1/2 in. PEX Brass Nut Adapter
    SKU: 680504A
    Product DescriptionThe Caleffi 680504A is a brass nut adapter designed for use with 1/2 inch PEX piping. It provides a reliable connection between PEX and other plumbing systems. This fitting is suitable for both residential and commercial applications. Brass construction for durability Compatible with...
    $21.99
    $21.99
  • Caleffi 680505A Fitting 3/4 Nominal PEX Replacement MPNCaleffi 680505A Fitting 3/4 Nominal PEX Replacement MPN
    CALEFFI
    Caleffi 680505A Fitting 3/4 Nominal PEX Replacement MPN
    SKU: 680505A
    Product DescriptionThe Caleffi 680505A is a fitting designed for connecting PEX pipes in radiant heating systems. It features a self-adjusting design, which allows for a secure connection between pipes and manifolds. This fitting is compatible with both single and multi-layer plastic pipes. Self-adjustable for...
    $21.99
    $21.99
  • Caleffi 680555A Fitting 5/8 Nominal PEXCaleffi 680555A Fitting 5/8 Nominal PEX
    CALEFFI
    Caleffi 680555A Fitting 5/8 Nominal PEX
    SKU: 680555A
    Product DescriptionCaleffi offers the 680555A fitting for connecting PEX and PEX-AL-PEX pipes. This fitting features a self-adjusting diameter. It is designed to ensure a secure connection with minimal pressure loss. Suitable for various heating applications, it connects radiant panels and manifolds effectively. Self-adjusting fitting...
    $21.99
    $21.99

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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