Caleffi

Sidebar

Brand

Product type

Availability

Price

$
to
$
Filter
  • 10
  • 15
  • 20
  • 25
  • 30
  • 50
  • Featured
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
Sort

Sort by:

  • Featured
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
  • Caleffi North America NA502740A ROBOCAL Automatic Air Vent 1/2 With Check & Hygroscopic Cap
    CALEFFI
    Caleffi North America NA502740A ROBOCAL Automatic Air Vent 1/2 With Check & Hygroscopic Cap
    SKU: NA502740A
    Caleffi NA502740A
    $24.96
    $24.96
  • Caleffi 548008A Hydro Separator 1-1/2 Inch FNPT Union Hydraulic EfficiencyCaleffi 548008A Hydro Separator 1-1/2 Inch FNPT Union Hydraulic Efficiency
    CALEFFI
    Caleffi 548008A Hydro Separator 1-1/2 Inch FNPT Union Hydraulic Efficiency
    SKU: 548008A
    Product DescriptionThe Caleffi 548008A Hydro Separator is designed to ensure hydraulic independence between connected primary and secondary circuits, maintaining efficient flow without interference. This separator is crucial for systems requiring consistent operation without cross-circuit contamination. Equipped with an automatic air vent and drain valve...
    $752.49
    $752.49
  • CALEFFI 502720A Automatic Air Vent 1/4 Inch MNPT with Check Valve
    CALEFFI
    CALEFFI 502720A Automatic Air Vent 1/4 Inch MNPT with Check Valve
    SKU: 502720A
    Product DescriptionThe CALEFFI 502720A is a robust automatic air vent designed to effectively eliminate air from heating and cooling systems, enhancing operational efficiency and system durability. Ideal for trade professionals in the HVAC industry, this product features a straightforward, no-manual intervention air removal system...
    $26.89
    $26.89
  • CALEFFI
    Caleffi ZVR103 Zone Valve Relay 3 Zone
    SKU: ZVR103
    Product DescriptionThe Caleffi Zone Valve Relay, model ZVR103, is designed for controlling multiple zone valves in hydronic heating systems. This device efficiently manages up to three independent zones, ensuring precise temperature control across different areas. Controls up to three zones for customized heating. Compatible...
    $188.82
    $188.82
  • Caleffi 535059A 3/4 Inch SWT Boiler Feed Autofill ValveCaleffi 535059A 3/4 Inch SWT Boiler Feed Autofill Valve
    CALEFFI
    Caleffi 535059A 3/4 Inch SWT Boiler Feed Autofill Valve
    SKU: 535059A
    Product DescriptionThe Caleffi 535059A Boiler Feed Autofill Valve is engineered to deliver reliable automatic water replenishment for boiler systems. This valve maintains set system pressure, facilitating a continuous water supply without manual intervention. Automatic pressure maintenance for boilers Pre-adjustable settings for easy installation Inclusive...
    $133.51
    $133.51
  • Caleffi 551041A Discal 1-1/2 Inch Sweat Air Separator
    CALEFFI
    Caleffi 551041A Discal 1-1/2 Inch Sweat Air Separator
    SKU: 551041A
    Product DescriptionThe Caleffi Discal 1-1/2 in Sweat Air Separator, MPN 551041A, is designed for effective air removal in hydronic heating and cooling systems. It continuously eliminates air, ensuring optimal performance of your equipment. With its durable brass construction, it provides reliable service in high-pressure...
    $263.45
    $263.45
  • Caleffi ZSR101 1 Zone Expandable Switching Relay with PriorityCaleffi ZSR101 1 Zone Expandable Switching Relay with Priority
    CALEFFI
    Caleffi ZSR101 1 Zone Expandable Switching Relay with Priority
    SKU: ZSR101
    Product DescriptionThe Caleffi ZSR101 is a compact and robust zone pump relay designed for single zone control within hydronic heating and cooling systems. This highly efficient device is ideal for managing the operation of zone pumps, ensuring optimal performance and energy efficiency. Designed for...
    $105.27
    $105.27
  • Caleffi 521619AC 1 Sweat Thermostatic Mixing Valve W/ Temperature Gauge & Check ValveCaleffi 521619AC 1 Sweat Thermostatic Mixing Valve W/ Temperature Gauge & Check Valve
    CALEFFI
    Caleffi 521619AC 1 Sweat Thermostatic Mixing Valve W/ Temperature Gauge & Check Valve
    SKU: 521619AC
    Product DescriptionThe Caleffi 521619AC is a thermostatic mixing valve designed for residential and commercial use, ensuring a constant output temperature. It's ideal for systems producing domestic hot water or hydronic heating. Precise temperature control Constructed from low-lead brass Prevents backflow of water Product HighlightsCaleffi's...
    $235.02
    $235.02
  • Caleffi 132662A QuickSetter 1 in. NPT Pressure Balancing ValveCaleffi 132662A QuickSetter 1 in. NPT Pressure Balancing Valve
    CALEFFI
    Caleffi 132662A QuickSetter 1 in. NPT Pressure Balancing Valve
    SKU: 132662A
    Product DescriptionThe Caleffi 132662A QuickSetter 1-inch NPT Pressure Balancing Valve ensures precise flow control and real-time monitoring in piping systems. This valve effectively balances flow rates between 3 and 10 GPM, optimizing system efficiency and performance with an integrated flowmeter. Precise flow control from...
    $217.85
    $217.85
  • Caleffi 553642A AutoFill Automatic Boiler Filling ValveCaleffi 553642A AutoFill Automatic Boiler Filling Valve
    CALEFFI
    Caleffi 553642A AutoFill Automatic Boiler Filling Valve
    SKU: 553642A
    Product DescriptionThe Caleffi 553642A autofill boiler feed valve ensures consistent water levels in heating systems. This valve features a 1/2 NPT connection and includes a pressure gauge for monitoring system pressure. Crafted from durable materials, it guarantees reliable performance and efficient boiler system operation....
    $110.84
    $110.84
  • 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...
    $52.80
    $52.80
  • Caleffi Z55 24V NC 2-Way 3/4 Inch Sweat 7.5 Cv Zone Valve with Terminal Block and AUX SwitchCaleffi Z55 24V NC 2-Way 3/4 Inch Sweat 7.5 Cv Zone Valve with Terminal Block and AUX Switch
    CALEFFI
    Caleffi Z55 24V NC 2-Way 3/4 Inch Sweat 7.5 Cv Zone Valve with Terminal Block and AUX Switch
    SKU: Z55
    Product DescriptionThe Caleffi Z55 is a 24V NC 2-Way Zone Valve with a 3/4 Inch Sweat connection, designed for precise control in hydronic systems. This valve features a terminal block and AUX switch for added functionality. 24V NC operation 3/4 Inch Sweat connection 7.5...
    $141.02
    $141.02
  • Caleffi Z45 24V 3/4 Sweat Zone Valve 7.5 Cv 20 PSI Aux Switch 18 Inch Leads Replaces Z411537Caleffi Z45 24V 3/4 Sweat Zone Valve 7.5 Cv 20 PSI Aux Switch 18 Inch Leads Replaces Z411537
    CALEFFI
    Caleffi Z45 24V 3/4 Sweat Zone Valve 7.5 Cv 20 PSI Aux Switch 18 Inch Leads Replaces Z411537
    SKU: Z45
    Product DescriptionThe Caleffi Z45 is a 24V 3/4-inch sweat zone valve with a 7.5 Cv capacity and 20 PSI auxiliary switch. This valve features 18-inch leads and replaces the Z411537 model. It is designed for applications requiring automatic water flow control or redirection in...
    $137.07
    $137.07
  • Caleffi Z40 24V NC 2-Way Inverted Flare Zone Valve 3.5 Cv
    CALEFFI
    Caleffi Z40 24V NC 2-Way Inverted Flare Zone Valve 3.5 Cv
    SKU: Z40
    Product DescriptionThe Caleffi Z40 is a 24-volt normally closed, two-way zone valve with an inverted flare connection, designed for regulating water flow in hydronic heating and cooling systems. This robust valve features a flow coefficient (Cv) of 3.5, ensuring efficient flow control in various...
    $131.50
    $131.50
  • Caleffi R50057 1-1/2 Union Washer
    CALEFFI
    Caleffi R50057 1-1/2 Union Washer
    SKU: R50057
    Product DescriptionThe Caleffi R50057 1-1/2 Union Washer is a reliable component designed for various industrial applications. It ensures a leak-proof seal and robust performance in challenging environments. Designed for a seamless fit Ensures system integrity Durable construction Product HighlightsThis union washer's design focuses on...
    $21.99
    $21.99
  • Caleffi 626600A Flow Switch 1 MNPT UL ListedCaleffi 626600A Flow Switch 1 MNPT UL Listed
    CALEFFI
    Caleffi 626600A Flow Switch 1 MNPT UL Listed
    SKU: 626600A
    Product DescriptionThe Caleffi 626600A flow switch is a critical component for controlling the flow of liquids in industrial and commercial applications. It features a 1 MNPT connection and is UL listed for safety and reliability. 1 MNPT connection for easy installation UL listed for...
    $219.05
    $219.05
  • Caleffi 573493A AutoFill 1/2 Inch Brass Sweat x NPT Backflow PreventerCaleffi 573493A AutoFill 1/2 Inch Brass Sweat x NPT Backflow Preventer
    CALEFFI
    Caleffi 573493A AutoFill 1/2 Inch Brass Sweat x NPT Backflow Preventer
    SKU: 573493A
    Product DescriptionThe Caleffi 573493A AutoFill 1/2 inch Brass Sweat x NPT Backflow Preventer is engineered for optimal performance in industrial and residential applications. This robust backflow preventer ensures the safety of your potable water systems by preventing the reverse flow of contaminated water. 1/2...
    $77.83
    $77.83
  • Caleffi 553549A AutoFill Automatic Boiler Fill Valve Pressure Indicator 1/2 Inch Sweat Inlet by 1/2 InchCaleffi 553549A AutoFill Automatic Boiler Fill Valve Pressure Indicator 1/2 Inch Sweat Inlet by 1/2 Inch
    CALEFFI
    Caleffi 553549A AutoFill Automatic Boiler Fill Valve Pressure Indicator 1/2 Inch Sweat Inlet by 1/2 Inch
    SKU: 553549A
    Product DescriptionThe Caleffi 553549A AutoFill Automatic Boiler Fill Valve is designed to ensure consistent water pressure in your heating system. Engineered with a 1/2 inch sweat inlet and outlet, this premium valve from Caleffi, a leader in heating solutions, automatically maintains system pressure. Easy...
    $94.27
    $94.27
  • CALEFFI 553542A Autofill Boiler Feed Valve 1/2 Inch NPT - Replacement 553542A
    CALEFFI
    CALEFFI 553542A Autofill Boiler Feed Valve 1/2 Inch NPT - Replacement 553542A
    SKU: 553542A
    Product DescriptionThe CALEFFI 553542A Autofill Boiler Feed Valve is an essential device for maintaining the appropriate water level in boilers, particularly within hydronic heating systems. Ensuring a stable system pressure and automatically adjusting water supply, this valve is integral to system reliability and efficiency....
    $100.14
    $100.14
  • Caleffi 59829 Air Vent for Brass Body 3/4 and 2
    CALEFFI
    Caleffi 59829 Air Vent for Brass Body 3/4 and 2
    SKU: 59829
    Product DescriptionThe Caleffi 59829 Air Vent is designed to fit brass body systems with 3/4 and 2 dimensions. It helps eliminate air accumulation, ensuring optimal system performance by preventing corrosion and maintaining fluid flow. This air vent is crucial for various industrial and commercial...
    $100.56
    $100.56

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.

Recently Viewed Products

Customer Support Image

Need Support?

Call Jack and His Team