Caleffi Zoning & Circulation

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Learn More About Caleffi 127351AF3G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 3/4" NPT Male Connections, Low-Lead Brass
$87.50
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Learn More About Caleffi 127351AF6G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 3/4" NPT Male Connections, Low-Lead Brass
$87.50
Factory-Direct
Learn More About Caleffi 127359AF10G
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 3/4" Sweat Connections, Low-Lead Brass
$83.82
Factory-Direct
Learn More About Caleffi 127359AF1G5
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 3/4" Sweat Connections, Low-Lead Brass
$83.82
Factory-Direct
Learn More About Caleffi 127359AF3G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 3/4" Sweat Connections, Low-Lead Brass
$83.82
Factory-Direct
Learn More About Caleffi 127359AF3G5
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 3/4" Sweat Connections, Low-Lead Brass
$83.82
Factory-Direct
Learn More About Caleffi 127359AF4G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 3/4" Sweat Connections, Low-Lead Brass
$83.82
Factory-Direct
Learn More About Caleffi 127359AF7G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 3/4" Sweat Connections, Low-Lead Brass
$83.82
Factory-Direct
Learn More About Caleffi 127361AF10G
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1" NPT Male Connections, Low-Lead Brass
$99.26
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Learn More About Caleffi 127369AF3G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1" Sweat Connections, Low-Lead Brass
$96.32
Factory-Direct
Learn More About Caleffi 127369AF6G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1" Sweat Connections, Low-Lead Brass
$96.32
Factory-Direct
Learn More About Caleffi 521409A
Caleffi MixingCal 3-Way Thermostatic Mixing Valve, Low-Lead Brass 1/2" Sweat Connections, 3 Cv
$147.06
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Learn More About Caleffi 521509A
Caleffi MixingCal 3-Way Thermostatic Mixing Valve, Low-Lead Brass 3/4" Sweat Connections, 3 Cv
$153.68
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Learn More About Caleffi 521609A
Caleffi MixingCal 3-Way Thermostatic Mixing Valve, Low-Lead Brass 1" Sweat Connections, 3 Cv
$183.09
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Learn More About Caleffi 548006A
Caleffi Series 548 Hydronic Separator, 1" NPT Union Connections, pre-formed insulation
$423.94
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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 548007A
Caleffi Series 548 Hydronic Separator, 1-1/4" NPT Union Connections, pre-formed insulation
$508.45
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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 548008A
Caleffi Series 548 Hydronic Separator, 1-1/2" NPT Union Connections, pre-formed insulation
$666.90
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 548009A
Caleffi Series 548 Hydronic Separator, 2" NPT Union Connections, pre-formed insulation
$776.76
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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.
Learn More About Caleffi 548096A
Caleffi Series 548 Hydronic Separator, 1" Sweat Union Connections, pre-formed insulation
$402.11
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 548097A
Caleffi Series 548 Hydronic Separator, 1 1/4" Sweat Union Connections, pre-formed insulation
$485.21
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 6686D5S1A
Caleffi TwistFlow Pre-assembled Manifold Assembly, 1" Inlet Ball Valves, 4 outlets with Flow Gauge
$494.85
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 6686E5S1A
Caleffi TwistFlow Pre-assembled Manifold Assembly, 1" Inlet Ball Valves, 5 outlets with Flow Gauge
$556.62
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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.
Learn More About Caleffi 6686H5S1A
Caleffi TwistFlow Pre-assembled Manifold Assembly, 1" Inlet Ball Valves, 8 outlets with Flow Gauge
$747.06
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 6686L5S1A
Caleffi TwistFlow Pre-assembled Manifold Assembly, 1" Inlet Ball Valves, 10 outlets with Flow Gauge
$871.32
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.
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.