Caleffi Zoning & Circulation

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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.
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Learn More About Caleffi 682540A
Caleffi Series 682 Universal PEX-AL-PEX Fittings, 1/2" PEX-AL-PEX Connections, 150 psi max
31% Buy This
$7.00
In-Stock
Learn More About Caleffi NA10313

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

13% Buy This
$8.17
In-Stock
Learn More About Caleffi NA10262

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

7% Buy This
$7.65
In-Stock
Learn More About Caleffi 681524-2
Caleffi Series 681 Universal PEX Fitting, 1/2" Nominal PEX Connection, 150 psi max - QTY:2
7% Buy This
$22.20
In-Stock
Learn More About Caleffi 680505A
Caleffi 3/4" Nominal Universal PEX Fittings, ASTM Pipe Size
4% Buy This
$6.86
In-Stock
Learn More About Caleffi 449000
Caleffi Replacement White Knob, used with 663 & 668S1 series manifolds
4% Buy This
$6.86
Factory-Direct
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 NA669150
Caleffi Manifolds High Temperature Flow Meter with Clearview sight-gauge, 1-1/4 to 1 GPM
3% Buy This
$23.26
Factory-Direct
Learn More About Caleffi Z300432
Caleffi Z-One 3-Way Diverting Sweat Valve Body, 1/2" Connections, 50 PSI, 2.5 Cv
2% Buy This
$43.31
Factory-Direct
Learn More About Caleffi 675900A
Caleffi Snap-on Thermometer, mounted directly on 3/8", 1/2" & 5/8" PEX or PEX-AL-PEX Piping
2% Buy This
$7.29
Factory-Direct
Learn More About Caleffi 681555
Caleffi - Series 681 - Universal PEX Fitting - 5/8" Nominal PEX Connection - 150 PSI Maximum Pressure, Package of 1
2% Buy This
$7.00
Factory-Direct
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
$66.21
Factory-Direct
Learn More About Caleffi Z116000
Caleffi Z-One 120V Normally Closed Valve Actuator with AUX Switch, 6" Wire
1% Buy This
$78.75
Factory-Direct
Learn More About Caleffi NA10003
Caleffi Tail Piece, 3/4" Sweat Connection for 1" Nut, Low-Lead Brass
1% Buy This
$7.88
Factory-Direct
Learn More About Caleffi 127351AF1G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 3/4" NPT Male Connections, Low-Lead Brass
1% Buy This
$80.85
In-Stock
Learn More About Caleffi 127359AF3G5
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 3/4" Sweat Connections, Low-Lead Brass
1% Buy This
$77.70
Factory-Direct
Learn More About Caleffi 59905A
Caleffi Tail Piece with Check Valve, 3/4" Sweat Connection with 1" Nut, Low-Lead Brass
1% Buy This
$17.93
Factory-Direct
Learn More About Caleffi Z151000
Caleffi Z-One 24V Normally Closed Valve Actuator with AUX Switch and Terminal Block Screws
1% Buy This
$80.93
In-Stock
Learn More About Caleffi Z300737
Caleffi Z-One 3-Way Diverting Sweat Valve Body, 1-1/4" Connections, 20 PSI, 7.5 Cv
1% Buy This
$97.71
Factory-Direct
Learn More About Caleffi 548097A
Caleffi Series 548 Hydronic Separator, 1 1/4" Sweat Union Connections, pre-formed insulation
1% Buy This
$485.21
Factory-Direct
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Learn More About Caleffi Z200512
Caleffi Z-One 2-Way Straight NPT Valve Body, 3/4" Connections, 50 PSI, 2.5 Cv
1% Buy This
$47.32
Factory-Direct
Learn More About Caleffi Z300412
Caleffi Z-One 3-Way Diverting NPT Valve Body, 1/2" Connections, 50 PSI, 2.5 Cv
1% Buy This
$46.16
Factory-Direct
Learn More About Caleffi Z300617
Caleffi Z-One 3-Way Diverting NPT Valve Body, 1" Connections, 20 PSI, 7.5 Cv
1% Buy This
$86.77
Factory-Direct
Learn More About Caleffi 644250A
Caleffi 2-Way Straight Motorized Ball Zone Valve, 3/4" NPT Connections, 13 Cv
1% Buy This
$220.94
Factory-Direct
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Free Shipping
Learn More About Free Freight
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.