Caleffi Zoning & Circulation

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60 Products

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

54% Buy This
$8.00
In-Stock

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

12% Buy This
$9.00
Factory-Direct
Caleffi Z-One 3-Way Diverting Sweat Low-Lead Brass Valve Body, 1/2" Connections, 30 PSI, 3.5 Cv
9% Buy This
$66.00
Factory-Direct
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" Sweat Connections, Low-Lead Brass
5% Buy This
$82.00
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Learn More About Caleffi 127351AF1G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 3/4" NPT Male Connections, Low-Lead Brass
4% Buy This
$84.00
Factory-Direct
Learn More About Caleffi 59905A
Caleffi Tail Piece with Check Valve, 3/4" Sweat Connection with 1" Nut, Low-Lead Brass
2% Buy This
$21.00
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
2% Buy This
$79.00
Factory-Direct
Learn More About Caleffi F29635
Caleffi 140 F Replacement Thermostatic Sensor Cartridge, used with 280 Series Protection Valves
2% Buy This
$25.00
Factory-Direct
Learn More About Caleffi 280175A
Caleffi ThermoMix High-Flow Boiler Protection Thermostatic Mixing Valve, Cartridge Sensor, 1-1/4" NPT Connections, 130 F Max, 14 Cv
1% Buy This
$297.00
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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 681555
Caleffi - Series 681 - Universal PEX Fitting - 5/8" Nominal PEX Connection - 150 PSI Maximum Pressure, Package of 1
1% Buy This
$8.00
Factory-Direct
Learn More About Caleffi 127341AFG50
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" NPT Male Connections, Low-Lead Brass
$81.00
Factory-Direct
Learn More About Caleffi 127349AF2G5
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" Sweat Connections, Low-Lead Brass
$82.00
Factory-Direct
Learn More About Caleffi 127351AF1G5
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 3/4" NPT Male Connections, Low-Lead Brass
$91.00
Factory-Direct
Learn More About Caleffi 127351AFG50
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 3/4" NPT Male Connections, Low-Lead Brass
$91.00
Factory-Direct
Learn More About Caleffi 127359AF2G5
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 3/4" Sweat Connections, Low-Lead Brass
$87.00
Factory-Direct
Learn More About Caleffi 127359AF3G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 3/4" Sweat Connections, Low-Lead Brass
$87.00
Factory-Direct
Learn More About Caleffi 127361AF10G
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1" NPT Male Connections, Low-Lead Brass
$103.00
Factory-Direct
Learn More About Caleffi 521359A
Caleffi Scald Protection 3-Way Thermostatic Mixing Valve, Low-Lead Brass 3/4" Sweat Connections, 2 Cv
$112.00
Factory-Direct
Learn More About Caleffi 6686C5S1A
Caleffi TwistFlow Pre-assembled Manifold Assembly, 1" Inlet Ball Valves, 3 outlets with Flow Gauge
$446.00
Factory-Direct
Free Shipping
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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.
Learn More About Caleffi 6686F5S1A
Caleffi TwistFlow Pre-assembled Manifold Assembly, 1" Inlet Ball Valves, 6 outlets with Flow Gauge
$639.00
Factory-Direct
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.
Learn More About Caleffi Z44
Caleffi Z-One Z44 2-Way Valve and Actuator Set with 18" Leads & AUX Switch, 1/2" Sweat, Normally Closed, 2.5 Cv, 50 PSI
$132.00
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Learn More About Caleffi Z57
Caleffi Z-One Z57 2-Way Valve and Actuator Set with Terminal Block & AUX Switch, 1-1/4" Sweat, Normally Closed, 7.5 Cv, 20 PSI
$210.00
Factory-Direct
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.
Learn More About Caleffi 449000
Caleffi Replacement White Knob, used with 663 & 668S1 series manifolds
$8.00
Factory-Direct
Learn More About Caleffi 59834A
Caleffi Tail Piece, 1" Sweat Connection, Low-Lead Brass
$23.00
Factory-Direct

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.