Caleffi Zoning & Circulation

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Learn More About Caleffi 644359A 3BY
Caleffi 3-Way Bypass Motorized Ball Zone Valve, 3/4" Sweat Connections, 12 Cv Ball, 1.5 Cv Bypass
$267.65
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 644360A
Caleffi 3-Way Diverting Motorized Ball Zone Valve, 1" NPT Connections, 4.5 Cv
$302.21
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 644369A 3BY
Caleffi 3-Way Bypass Motorized Ball Zone Valve, 1" Sweat Connections, 12 Cv Ball, 1.5 Cv Bypass
$295.59
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 644369A
Caleffi 3-Way Diverting Motorized Ball Zone Valve, 1" Sweat Connections, 4.5 Cv
$295.59
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 NA549052A
Caleffi 3-in-1 Hydro, Air and Dirt Separator, 2" Flanged Connections - ASME/CRN Certified
$4,890.64
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.
2% Check Discount
Learn More About 2% Check Discount
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.
Learn More About Caleffi NA549062A
Caleffi 3-in-1 Hydro, Air and Dirt Separator, 2-1/2" Flanged Connections - ASME/CRN Certified
$5,260.35
Factory-Direct
Free Shipping & Lift Gate
Learn More About Free Freight
Free Shipping & Lift Gate
*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.
2% Check Discount
Learn More About 2% Check Discount
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.
Learn More About Caleffi NA549082A
Caleffi 3-in-1 Hydro, Air and Dirt Separator, 3" Flanged Connections - ASME/CRN Certified
$6,361.37
Factory-Direct
Free Shipping & Lift Gate
Learn More About Free Freight
Free Shipping & Lift Gate
*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.
2% Check Discount
Learn More About 2% Check Discount
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.
Learn More About Caleffi NA549102A
Caleffi 3-in-1 Hydro, Air and Dirt Separator, 4" Flanged Connections - ASME/CRN Certified
$6,726.66
Factory-Direct
Free Shipping & Lift Gate
Learn More About Free Freight
Free Shipping & Lift Gate
*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.
2% Check Discount
Learn More About 2% Check Discount
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.
Learn More About Caleffi NA549150A
Caleffi 3-in-1 Hydro, Air and Dirt Separator, 6" Flanged Connections - ASME/CRN Certified, without insulation
$11,916.77
Factory-Direct
Free Shipping & Lift Gate
Learn More About Free Freight
Free Shipping & Lift Gate
*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.
2% Check Discount
Learn More About 2% Check Discount
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.
Learn More About Caleffi NA39588
Caleffi Replacement Ball Valve with Lever, 1-1/4" NPT Female Connections, used with DirtCal Dirt Separators
$54.34
Factory-Direct
Learn More About Caleffi NA548052A
Caleffi Series 548 Hydronic Separator, 2" Flanged Connections, ASME & CRN Certified
$3,762.26
Factory-Direct
Free Shipping & Lift Gate
Learn More About Free Freight
Free Shipping & Lift Gate
*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.
2% Check Discount
Learn More About 2% Check Discount
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.
Learn More About Caleffi 519502A
Caleffi Differential Pressure By-pass Valve, 3/4" NPT Inlet with 3/4" NPT Outlet
$98.53
In-Stock
Learn More About Caleffi Z121000
Caleffi Z-One 24V Normally Closed Valve Actuator without AUX Switch, 18" Wire
$79.41
In-Stock
Learn More About Caleffi Z200041
Caleffi Z-One 2-Way Straight Inverted Flare Valve Body, 75 PSI, 1 Cv
$37.79
Factory-Direct
Learn More About Caleffi Z200042
Caleffi Z-One 2-Way Straight Inverted Flare Valve Body, 50 PSI, 2.5 Cv
$37.79
Factory-Direct
Learn More About Caleffi Z200053
Caleffi Z-One 2-Way Straight SAE Flare Valve Body, 3.5 Cv
$48.38
Factory-Direct
Learn More About Caleffi Z200411
Caleffi Z-One 2-Way Straight NPT Valve Body, 1/2" Connections, 75 PSI, 1 Cv
$37.79
Factory-Direct
Learn More About Caleffi Z200412
Caleffi Z-One 2-Way Straight NPT Valve Body, 1/2" Connections, 50 PSI, 2.5 Cv
$37.79
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
$48.38
In-Stock
Learn More About Caleffi Z200513
Caleffi Z-One 2-Way Straight NPT Valve Body, 3/4" Connections, 30 PSI, 3.5 Cv
$51.54
In-Stock
Learn More About Caleffi Z200532
Caleffi Z-One 2-Way Straight Sweat Valve Body, 3/4" Connections, 50 PSI, 2.5 Cv
$45.66
In-Stock
Learn More About Caleffi Z200535
Caleffi Z-One 2-Way Straight Sweat Valve Body, 3/4" Connections, 25 PSI, 5 Cv
$45.66
Factory-Direct
Learn More About Caleffi Z200617
Caleffi Z-One 2-Way Straight NPT Valve Body, 1" Connections, 20 PSI, 7.5 Cv
$81.62
In-Stock
Learn More About Caleffi Z300053
Caleffi Z-One 3-Way Diverting SAE Flare Valve Body, 30 PSI, 3.5 Cv
$60.44
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.