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 Z300637
Caleffi Z-One 3-Way Diverting Sweat Valve Body, 1" Connections, 20 PSI, 7.5 Cv
Model: Z300637
Caleffi Z-One 3-Way Diverting Sweat Valve Body, 1" Connections, 20 PSI, 7.5 Cv
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$80.21
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Learn More About Caleffi Z300737
Caleffi Z-One 3-Way Diverting Sweat Valve Body, 1-1/4" Connections, 20 PSI, 7.5 Cv
Model: Z300737
Caleffi Z-One 3-Way Diverting Sweat Valve Body, 1-1/4" Connections, 20 PSI, 7.5 Cv
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$97.71
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Learn More About Caleffi 644250A
Caleffi 2-Way Straight Motorized Ball Zone Valve, 3/4" NPT Connections, 13 Cv
Model: 644250A
Caleffi 2-Way Straight Motorized Ball Zone Valve, 3/4" NPT Connections, 13 Cv
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$220.94
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Learn More About Caleffi 644260A
Caleffi 2-Way Straight Motorized Ball Zone Valve, 1" NPT Connections, 13 Cv
Model: 644260A
Caleffi 2-Way Straight Motorized Ball Zone Valve, 1" NPT Connections, 13 Cv
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$239.17
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Learn More About Caleffi 1725H1A
Caleffi Pre-assembled Fixed Point Manifold Mixing Station, 8 outlets, Thermostatic Fixed Point Mixing, Flow Gauges, 3/4" Ball Valves
Model: 1725H1A
Caleffi Pre-assembled Fixed Point Manifold Mixing Station, 8 outlets, Thermostatic Fixed Point Mixing, Flow Gauges, 3/4" Ball Valves
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$1,135.31
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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.
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2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
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Learn More About Caleffi NA17256
Caleffi 3-Speed Manifold Pump Station, UPS 15-58 pump, 1" NPT Male & 3/4" NPT Female Connections, built-in hydraulic separator
Model: NA17256
Caleffi 3-Speed Manifold Pump Station, UPS 15-58 pump, Thermostatic Fixed Point Mix Valve, 1" NPT Male & 3/4" NPT Female Connections, built-in hydraulic separator
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$652.61
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Learn More About Caleffi 6636C5A
Caleffi Pre-assembled Distribution Manifold Assembly, 3 Outlets, 1" Inlet Ball Valves, 2.3 Cv
Model: 6636C5A
Caleffi Pre-assembled Distribution Manifold Assembly, 3 Outlets, 1" Inlet Ball Valves, 2.3 Cv
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$323.75
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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.
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Learn More About Caleffi 6636D5A
Caleffi Pre-assembled Distribution Manifold Assembly, 4 Outlets, 1" Inlet Ball Valves, 2.3 Cv
Model: 6636D5A
Caleffi Pre-assembled Distribution Manifold Assembly, 4 Outlets, 1" Inlet Ball Valves, 2.3 Cv
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$374.06
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Learn More About Caleffi 6636E5A
Caleffi Pre-assembled Distribution Manifold Assembly, 5 Outlets, 1" Inlet Ball Valves, 2.3 Cv
Model: 6636E5A
Caleffi Pre-assembled Distribution Manifold Assembly, 5 Outlets, 1" Inlet Ball Valves, 2.3 Cv
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$424.38
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Learn More About Caleffi 6636H5A
Caleffi Pre-assembled Distribution Manifold Assembly, 8 Outlets, 1" Inlet Ball Valves, 2.3 Cv
Model: 6636H5A
Caleffi Pre-assembled Distribution Manifold Assembly, 8 Outlets, 1" Inlet Ball Valves, 2.3 Cv
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$576.04
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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.
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Learn More About Caleffi 6636L5A
Caleffi Pre-assembled Distribution Manifold Assembly, 10 Outlets, 1" Inlet Ball Valves, 2.3 Cv
Model: 6636L5A
Caleffi Pre-assembled Distribution Manifold Assembly, 10 Outlets, 1" Inlet Ball Valves, 2.3 Cv
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$676.66
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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.
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Learn More About Caleffi 6636M5A
Caleffi Pre-assembled Distribution Manifold Assembly, 11 Outlets, 1" Inlet Ball Valves, 2.3 Cv
Model: 6636M5A
Caleffi Pre-assembled Distribution Manifold Assembly, 11 Outlets, 1" Inlet Ball Valves, 2.3 Cv
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$726.25
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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.
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Learn More About Caleffi 6636O5A
Caleffi Pre-assembled Distribution Manifold Assembly, 13 Outlets, 1" Inlet Ball Valves, 2.3 Cv
Model: 6636O5A
Caleffi Pre-assembled Distribution Manifold Assembly, 13 Outlets, 1" Inlet Ball Valves, 2.3 Cv
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$826.88
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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.
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Learn More About Caleffi 6637E5A
Caleffi Pre-assembled Distribution Manifold Assembly, 5 Outlets, 1-1/4" Inlet Ball Valves, 2.3 Cv
Model: 6637E5A
Caleffi Pre-assembled Distribution Manifold Assembly, 5 Outlets, 1-1/4" Inlet Ball Valves, 2.3 Cv
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$445.53
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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.
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Learn More About Caleffi NA669250
Caleffi Manifolds High Temperature Flow Meter with Clearview sight-gauge, 1/2 to 2 GPM
Model: NA669250
Caleffi Manifolds High Temperature Flow Meter with Clearview sight-gauge, 1/2 to 2 GPM
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$23.26
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Learn More About Caleffi 521409AC
Caleffi MixingCal 3-Way Thermostatic Mixing Valve w/ checks, 1/2" Sweat Connections, 3 Cv
Model: 521409AC
Caleffi MixingCal 3-Way Thermostatic Mixing Valve w/ checks, 1/2" Sweat Connections, 3 Cv
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$144.37
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Learn More About Caleffi 521509AC
Caleffi MixingCal 3-Way Thermostatic Mixing Valve w/ checks, 3/4" Sweat Connections, 3 Cv
Model: 521509AC
Caleffi MixingCal 3-Way Thermostatic Mixing Valve w/ checks, 3/4" Sweat Connections, 3 Cv
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$156.34
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Learn More About Caleffi 521609AC
Caleffi MixingCal 3-Way Thermostatic Mixing Valve w/ checks, 1" Sweat Connections, 3 Cv
Model: 521609AC
Caleffi MixingCal 3-Way Thermostatic Mixing Valve w/ checks, 1" Sweat Connections, 3 Cv
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$180.99
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Learn More About Caleffi 521400A
Caleffi MixingCal 3-Way Thermostatic Mixing Valve, Low-Lead Brass 1/2" NPT Connections, 3 Cv
Model: 521400A
Caleffi MixingCal 3-Way Thermostatic Mixing Valve, Low-Lead Brass 1/2" NPT Connections, 3 Cv
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$135.92
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Learn More About Caleffi 521500A
Caleffi MixingCal 3-Way Thermostatic Mixing Valve, Low-Lead Brass 3/4" NPT Connections, 3 Cv
Model: 521500A
Caleffi MixingCal 3-Way Thermostatic Mixing Valve, Low-Lead Brass 3/4" NPT Connections, 3 Cv
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$142.25
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Learn More About Caleffi 521600A
Caleffi MixingCal 3-Way Thermostatic Mixing Valve, Low-Lead Brass 1" NPT Connections, 3 Cv
Model: 521600A
Caleffi MixingCal 3-Way Thermostatic Mixing Valve, Low-Lead Brass 1" NPT Connections, 3 Cv
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$168.31
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Learn More About Caleffi 521600AC
Caleffi MixingCal 3-Way Thermostatic Mixing Valve w/ checks, 1" NPT Connections, 3 Cv
Model: 521600AC
Caleffi MixingCal 3-Way Thermostatic Mixing Valve w/ checks, 1" NPT Connections, 3 Cv
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$188.03
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Learn More About Caleffi 521519A
Caleffi MixingCal 3-Way Thermostatic Mixing Valve, Low-Lead Brass with Adaptor and Temperature Gauge, 3/4" Sweat Connections
Model: 521519A
Caleffi MixingCal 3-Way Thermostatic Mixing Valve, Low-Lead Brass with Adaptor and Temperature Gauge, 3/4" Sweat Connections
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$160.56
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Learn More About Caleffi 521519AC
Caleffi MixingCal 3-Way Thermo Mixing Valve w/ checks, Low-Lead Brass w/ Adaptor and Temperature Gauge, 3/4" Sweat Connections
Model: 521519AC
Caleffi MixingCal 3-Way Thermo Mixing Valve w/ checks, Low-Lead Brass w/ Adaptor and Temperature Gauge, 3/4" Sweat Connections
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$179.58
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