Caleffi Zoning & Circulation

Loading Image
Caleffi, one of the leaders in hydronics, makes a wide variety of zoning and circulation materials. Browse below to find the right Caleffi zoning and circulation materials for you or call our experts for personalized advice.
Filter By
  • Best Selling
  • Price: Low to High
  • Price: High to Low
  • Name: A-Z
  • Name: Z-A
  • Recommends Only
  • Closeouts Only
  • In-stock Only
  • Next Day Air Only
  • Availability
Learn More About Caleffi NA10313

Caleffi - Series NA103 - Connection Fitting - 1/2" NPT Male Connection - 150 PSI Maximum Pressure

34% Buy This
$8.17
In-Stock
Learn More About Caleffi NA10262

Caleffi 1/2" Sweat Connection Fitting, chrome plated nut

21% Buy This
$7.65
Factory-Direct
Learn More About Caleffi 680505A
Caleffi 3/4" Nominal Universal PEX Fittings, ASTM Pipe Size
10% Buy This
$6.86
In-Stock
Learn More About Caleffi 682540A
Caleffi Series 682 Universal PEX-AL-PEX Fittings, 1/2" PEX-AL-PEX Connections, 150 psi max
9% Buy This
$7.00
In-Stock
Learn More About Caleffi 681524-2
Caleffi Series 681 Universal PEX Fitting, 1/2" Nominal PEX Connection, 150 psi max - QTY:2
5% Buy This
$22.20
In-Stock
Learn More About Caleffi 127351AFG50
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 3/4" NPT Male Connections, Low-Lead Brass
4% Buy This
$87.50
Factory-Direct
Learn More About Caleffi 437516-2
Caleffi 1/2" Hard Copper Compression Fittings, 1/2" Compression Connections, 150 psi max
4% Buy This
$9.80
In-Stock
Learn More About Caleffi 680504A
Caleffi 1/2" Nominal Universal PEX Fittings, ASTM Pipe Size
4% Buy This
$6.86
In-Stock
Learn More About Caleffi Z207433
Caleffi Z-One 2-Way Straight Sweat Low-Lead Brass Valve Body, 1/2" Connections, 30 PSI, 3.5 Cv
2% Buy This
$48.38
Only 4 In-Stock
Learn More About Caleffi Z307433
Caleffi Z-One 3-Way Diverting Sweat Low-Lead Brass Valve Body, 1/2" Connections, 30 PSI, 3.5 Cv
2% Buy This
$60.88
Only 2 In-Stock
Learn More About Caleffi 680555A
Caleffi 5/8" Nominal Universal PEX Fittings, ASTM Pipe Size
1% Buy This
$7.50
Factory-Direct
Learn More About Caleffi 656404
Caleffi Low Current Draw Thermoelectric Actuator, 24V, 31.5" Wire Lead, used on Distribution Manifolds
1% Buy This
$55.85
In-Stock
Learn More About Caleffi Z200412
Caleffi Z-One 2-Way Straight NPT Valve Body, 1/2" Connections, 50 PSI, 2.5 Cv
1% Buy This
$37.79
Only 1 In-Stock
Learn More About Caleffi Z200537
Caleffi Z-One 2-Way Straight Sweat Valve Body, 3/4" Connections, 20 PSI, 7.5 Cv
1% Buy This
$45.66
Factory-Direct
Learn More About Caleffi 449000
Caleffi Replacement White Knob, used with 663 & 668S1 series manifolds
1% Buy This
$6.86
Only 2 In-Stock
Learn More About Caleffi Z300513
Caleffi Z-One 3-Way Diverting NPT Valve Body, 3/4" Connections, 30 PSI, 3.5 Cv
1% Buy This
$62.94
Only 1 In-Stock
Learn More About Caleffi 681555
Caleffi - Series 681 - Universal PEX Fitting - 5/8" Nominal PEX Connection - 150 PSI Maximum Pressure, Package of 1
1% Buy This
$7.65
Only 1 In-Stock
Learn More About Caleffi 127359AF1G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 3/4" Sweat Connections, Low-Lead Brass
1% Buy This
$83.82
Only 1 In-Stock
Learn More About Caleffi 31403 FD
Caleffi 1-1/4" Sweat Tailpiece for model 548097A
1% Buy This
$49.85
Factory-Direct
Learn More About Caleffi Z111000
Caleffi Z-One 24V Normally Closed Valve Actuator with AUX Switch, 18" Wire
1% Buy This
$85.29
Factory-Direct
Learn More About Caleffi Z121000
Caleffi Z-One 24V Normally Closed Valve Actuator without AUX Switch, 18" Wire
1% Buy This
$79.41
Only 1 In-Stock
Learn More About Caleffi Z307537
Caleffi Z-One 3-Way Diverting Sweat Low-Lead Brass Valve Body, 3/4" Connections, 20 PSI, 7.5 Cv
1% Buy This
$72.21
Only 1 In-Stock
Learn More About Caleffi F29635
Caleffi 140 F Replacement Thermostatic Sensor Cartridge, used with 280 Series Protection Valves
1% Buy This
$23.68
Factory-Direct
Learn More About Caleffi Z300532
Caleffi Z-One 3-Way Diverting Sweat Valve Body, 3/4" Connections, 50 PSI, 2.5 Cv
$53.52
In-Stock