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Product Image of 1/2" Sweat Inlet x 1/2" FNPT Outlet AutoFill Filling Valve w/ Pressure Gauge
1/2" Sweat Inlet x 1/2" FNPT Outlet AutoFill Filling Valve w/ Pressure Gauge
SKU: 553649A
Caleffi
SKU: 553649A
Brand: Caleffi
(3)
$107.88 each
In Stock
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Product Image of 1/2" NPT Male Service Check Valve
1/2" NPT Male Service Check Valve
SKU: 561402A
Caleffi
SKU: 561402A
Brand: Caleffi
(1)
$16.24 each
BOX UP & SAVE 13%
$141.30 box of 10
$14.13 each
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Product Image of 6 Zone Expandable Switching Relay w/ Priority
6 Zone Expandable Switching Relay w/ Priority
SKU: ZSR106
Caleffi
SKU: ZSR106
Brand: Caleffi
$289.80 each
In Stock
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Product Image of 1/2" Automatic Air Vent Valve for Solar Heating Systems
1/2" Automatic Air Vent Valve for Solar Heating Systems
SKU: 250041A
Caleffi
SKU: 250041A
Brand: Caleffi
(1)
$65.86 each
In Stock
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Product Image of 4 Zone Expandable Switching Relay w/ Priority
4 Zone Expandable Switching Relay w/ Priority
SKU: ZSR104
Caleffi
SKU: ZSR104
Brand: Caleffi
$236.60 each
In Stock
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Product Image of 1" Sweat Serviceable Flow Check Valve (Low Lead)
1" Sweat Serviceable Flow Check Valve (Low Lead)
SKU: 304769A
Caleffi
SKU: 304769A
Brand: Caleffi
$82.70 each
In Stock
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Product Image of 1" Male NPT MIXCAL 3-Way Adjustable Thermostatic Mixing Valve w/ Temp Gauge & Inlet Check Valves (Low Lead)
1" Male NPT MIXCAL 3-Way Adjustable Thermostatic Mixing Valve w/ Temp Gauge & Inlet Check Valves (Low Lead)
SKU: 521610AC
Caleffi
SKU: 521610AC
Brand: Caleffi
$262.69 each
In Stock
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Product Image of 1" PEX Expansion PressCal Pressure Reducing Valve, Low Lead
1" PEX Expansion PressCal Pressure Reducing Valve, Low Lead
SKU: 535560HA
Caleffi
SKU: 535560HA
Brand: Caleffi
(1)
$150.85 each
In Stock
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Product Image of 5/16" PEX Loop Fitting for Manifolds
5/16" PEX Loop Fitting for Manifolds
SKU: 680507
Caleffi
SKU: 680507
Brand: Caleffi
$9.98 each
BOX UP & SAVE 9%
$90.50 box of 10
$9.05 each
In Stock
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Product Image of 1" Sweat Union Hydro Separator
1" Sweat Union Hydro Separator
SKU: 548096A
Caleffi
SKU: 548096A
Brand: Caleffi
(1)
$407.93 each
In Stock
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Product Image of Replacement Balance/Flow Meter for 668S1 Return Manifolds
Replacement Balance/Flow Meter for 668S1 Return Manifolds
SKU: F69600
Caleffi
SKU: F69600
Brand: Caleffi
$20.33 each
In Stock
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Product Image of 2" NPT 3-Way Thermostatic Mixing Valve, Lead Free (14.2 Cv)
2" NPT 3-Way Thermostatic Mixing Valve, Lead Free (14.2 Cv)
SKU: 523190A
Caleffi
SKU: 523190A
Brand: Caleffi
(3)
$1,612.80 each
In Stock
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Product Image of 1-1/4" Sweat 5461 Series DISCAL DIRTMAG Air & Dirt Separator with Magnet
1-1/4" Sweat 5461 Series DISCAL DIRTMAG Air & Dirt Separator with Magnet
SKU: 546197A
Caleffi
SKU: 546197A
Brand: Caleffi
$422.01 each
In Stock
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Product Image of SEP4 1-1/4" Sweat Union 4-in-1 Air, Dirt, Hydro & Magnet Hydraulic Separator
SEP4 1-1/4" Sweat Union 4-in-1 Air, Dirt, Hydro & Magnet Hydraulic Separator
SKU: 549597A
Caleffi
SKU: 549597A
Brand: Caleffi
(1)
$731.18 each
In Stock
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Product Image of Replacement Cartridge for Autofill 553 Series
Replacement Cartridge for Autofill 553 Series
SKU: F59650
Caleffi
SKU: F59650
Brand: Caleffi
(2)
$33.49 each
In Stock
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Product Image of 3/4" Press Union x FNPT PresCal Compact Pressure Reducing Valve with Gauge
3/4" Press Union x FNPT PresCal Compact Pressure Reducing Valve with Gauge
SKU: 533651HA
Caleffi
SKU: 533651HA
Brand: Caleffi
$71.79 each
In Stock
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Product Image of 3/4" FNPT ThermoSetter Adjustable Thermal Balancing Valve w/ Inlet Check Valve
3/4" FNPT ThermoSetter Adjustable Thermal Balancing Valve w/ Inlet Check Valve
SKU: 116451AC-002
Caleffi
SKU: 116451AC-002
Brand: Caleffi
$234.34 each
In Stock
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Product Image of 1/2" 573 Backflow Preventer and AutoFill Combination (Press x NPT)
1/2" 573 Backflow Preventer and AutoFill Combination (Press x NPT)
SKU: 573007A
Caleffi
SKU: 573007A
Brand: Caleffi
(2)
$182.29 each
In Stock
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Product Image of 1" TwistFlow Manifold w/ Temp Gauge (3 Loops)
1" TwistFlow Manifold w/ Temp Gauge (3 Loops)
SKU: 6686C5S1A
Caleffi
SKU: 6686C5S1A
Brand: Caleffi
(4)
$424.26 each
In Stock
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Product Image of 1-1/4" NPT QuickSetter Balancing Valve w/ Flow Meter
1-1/4" NPT QuickSetter Balancing Valve w/ Flow Meter
SKU: 132772A
Caleffi
SKU: 132772A
Brand: Caleffi
(2)
$306.00 each
In Stock
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Product Image of 1-1/2" NPT 3-Way High Flow Thermostatic Mixing Valve, 13 Cv (Lead Free)
1-1/2" NPT 3-Way High Flow Thermostatic Mixing Valve, 13 Cv (Lead Free)
SKU: 523180A
Caleffi
SKU: 523180A
Brand: Caleffi
$1,298.00 each
In Stock
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Product Image of 3/4" Threaded 574 Brass RPZ Backflow Preventer & AutoFill Combo w/ Gauge (Low Lead)
3/4" Threaded 574 Brass RPZ Backflow Preventer & AutoFill Combo w/ Gauge (Low Lead)
SKU: 574151A
Caleffi
SKU: 574151A
Brand: Caleffi
(3)
$369.51 each
In Stock
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Product Image of 1/4" NPT Manual Air Vent w/ Metal Seal & Adjustable Outlet
1/4" NPT Manual Air Vent w/ Metal Seal & Adjustable Outlet
SKU: 337221A
Caleffi
SKU: 337221A
Brand: Caleffi
(2)
$11.55 each
In Stock
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Product Image of Radiator Adapter (2 Pack)
Radiator Adapter (2 Pack)
SKU: 940451
Caleffi
SKU: 940451
Brand: Caleffi
$27.32 each
BOX UP & SAVE 16%
$575.50 box of 25
$23.02 each
In Stock
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Product Image of 1-1/2" Integral Press 551 Series DISCAL Air Separator w/ Service Valve
1-1/2" Integral Press 551 Series DISCAL Air Separator w/ Service Valve
SKU: 551068A
Caleffi
SKU: 551068A
Brand: Caleffi
$332.63 each
In Stock
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Product Image of 3/4" Sweat Normally Closed Zone Valve w/ Screw Terminal 7.5Cv (24V)
3/4" Sweat Normally Closed Zone Valve w/ Screw Terminal 7.5Cv (24V)
SKU: Z55
Caleffi
SKU: Z55
Brand: Caleffi
(1)
$134.46 each
In Stock
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Product Image of 1-1/4" Sweat Serviceable Flow Check Valve (Low Lead)
1-1/4" Sweat Serviceable Flow Check Valve (Low Lead)
SKU: 304779A
Caleffi
SKU: 304779A
Brand: Caleffi
$92.11 each
In Stock
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Product Image of Thermostatic Control Head with Built-in Sensor, 45-82 F
Thermostatic Control Head with Built-in Sensor, 45-82 F
SKU: 200000
Caleffi
SKU: 200000
Brand: Caleffi
(1)
$72.09 each
In Stock
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Product Image of Grundfos UPS-15-58U Replacement Pump
Grundfos UPS-15-58U Replacement Pump
SKU: NA10038
Caleffi
SKU: NA10038
Brand: Caleffi
(1)
$225.07 each
In Stock
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Product Image of 1/2" Sweat Connection Fitting
1/2" Sweat Connection Fitting
SKU: NA10262
Caleffi
SKU: NA10262
Brand: Caleffi
$13.14 each
In Stock
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Product Image of 3/4" Press Fitting
3/4" Press Fitting
SKU: NA10744
Caleffi
SKU: NA10744
Brand: Caleffi
$15.12 each
In Stock
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Product Image of 3/4" FNPT Dual Check Backflow Preventer (ASSE 1024 Compliant)
3/4" FNPT Dual Check Backflow Preventer (ASSE 1024 Compliant)
SKU: 304853A
Caleffi
SKU: 304853A
Brand: Caleffi
$65.42 each
In Stock
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Product Image of 1-1/2" Sweat High Flow Thermostatic Mixing Valve, 13 CV (Lead Free)
1-1/2" Sweat High Flow Thermostatic Mixing Valve, 13 CV (Lead Free)
SKU: 523188A
Caleffi
SKU: 523188A
Brand: Caleffi
$1,435.13 each
In Stock
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Product Image of 1" TwistFlow Manifold w/ Temp Gauge (4 Loops)
1" TwistFlow Manifold w/ Temp Gauge (4 Loops)
SKU: 6686D5S1A
Caleffi
SKU: 6686D5S1A
Brand: Caleffi
(3)
$541.16 each
In Stock
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Product Image of 5/8" PEX Fitting for Manifolds
5/8" PEX Fitting for Manifolds
SKU: 680555A
Caleffi
SKU: 680555A
Brand: Caleffi
(1)
$8.87 each
BOX UP & SAVE 6%
$83.40 box of 10
$8.34 each
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Product Image of 3/4" Sweat Normally Closed Zone Valve w/ Aux. Switch 7.5Cv (24V)
3/4" Sweat Normally Closed Zone Valve w/ Aux. Switch 7.5Cv (24V)
SKU: Z45
Caleffi
SKU: Z45
Brand: Caleffi
(2)
$130.21 each
In Stock
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Product Image of 120V Normally Closed Actuator no aux. switch 6" Wire
120V Normally Closed Actuator no aux. switch 6" Wire
SKU: Z126000
Caleffi
SKU: Z126000
Brand: Caleffi
(3)
$84.06 each
In Stock
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Product Image of 3/4" Union Sweat Differential Bypass Valve
3/4" Union Sweat Differential Bypass Valve
SKU: 519599A
Caleffi
SKU: 519599A
Brand: Caleffi
(3)
$118.70 each
In Stock
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Product Image of 1/2" Nominal PEX Fitting
1/2" Nominal PEX Fitting
SKU: 681524
Caleffi
SKU: 681524
Brand: Caleffi
(1)
$10.60 each
BOX UP & SAVE 10%
$95.80 box of 10
$9.58 each
In Stock
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Product Image of 1/8" NPT Male Service Check Valve
1/8" NPT Male Service Check Valve
SKU: 59474A
Caleffi
SKU: 59474A
Brand: Caleffi
(5)
$10.78 each
In Stock
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Product Image of 1-1/4" NPT Differential Bypass Valve
1-1/4" NPT Differential Bypass Valve
SKU: 519700A
Caleffi
SKU: 519700A
Brand: Caleffi
$184.07 each
In Stock
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Product Image of 1" TwistFlow Manifold w/ Temp Gauge (6 Loops)
1" TwistFlow Manifold w/ Temp Gauge (6 Loops)
SKU: 6686F5S1A
Caleffi
SKU: 6686F5S1A
Brand: Caleffi
(4)
$788.88 each
In Stock
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Product Image of 2-Pipe Straight Thermostatic Radiator Valve for Panel Radiators
2-Pipe Straight Thermostatic Radiator Valve for Panel Radiators
SKU: 301040
Caleffi
SKU: 301040
Brand: Caleffi
(3)
$61.73 each
In Stock
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Product Image of Wrench, 26 mm x 30 mm
Wrench, 26 mm x 30 mm
SKU: 387100
Caleffi
SKU: 387100
Brand: Caleffi
(5)
$38.08 each
In Stock
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Product Image of Universal Key Radiator Tool
Universal Key Radiator Tool
SKU: 387127
Caleffi
SKU: 387127
Brand: Caleffi
(2)
$106.73 each
In Stock
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Product Image of 1/2" Threaded 574 Brass RPZ Backflow Preventer & AutoFill Combo w/ Gauge (Low Lead)
1/2" Threaded 574 Brass RPZ Backflow Preventer & AutoFill Combo w/ Gauge (Low Lead)
SKU: 574012A
Caleffi
SKU: 574012A
Brand: Caleffi
$386.74 each
In Stock
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Product Image of 1" Sweat 5461 Series DISCAL DIRTMAG Air & Dirt Separator with Magnet
1" Sweat 5461 Series DISCAL DIRTMAG Air & Dirt Separator with Magnet
SKU: 546196A
Caleffi
SKU: 546196A
Brand: Caleffi
$386.88 each
In Stock
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Product Image of 1-1/4" Sweat Union Hydro Separator
1-1/4" Sweat Union Hydro Separator
SKU: 548097A
Caleffi
SKU: 548097A
Brand: Caleffi
$459.00 each
In Stock
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In Stock
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More 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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