Caleffi Zoning & Circulation

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Learn More About Caleffi NA669150
Caleffi Manifolds High Temperature Flow Meter with Clearview sight-gauge, 1-1/4 to 1 GPM
$146.00
Factory-Direct
Learn More About Caleffi 521352A
Caleffi Scald Protection 3-Way Thermostatic Mixing Valve, Low-Lead Brass 3/4" NPT Connections, 2 Cv
$209.00
Factory-Direct
Free Shipping & Lift Gate
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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.
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
$550.00
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 680503A
Caleffi 3/8" Nominal Universal PEX Fittings, ASTM Pipe Size
$146.00
Factory-Direct
Learn More About Caleffi 680507
Caleffi 5/16" Nominal Universal PEX Fittings, ASTM Pipe Size
$146.00
Factory-Direct
Learn More About Caleffi 69122 CST
Caleffi Replacement Shut-off Valve for 663 Series Manifold Assembly
$146.00
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
$146.00
Factory-Direct
Learn More About Caleffi NA10002
Caleffi Tail Piece, 1/2" Sweat Connection with 1" Nut, Low-Lead Brass
$146.00
Factory-Direct
Learn More About Caleffi NA10003
Caleffi Tail Piece, 3/4" Sweat Connection for 1" Nut, Low-Lead Brass
$146.00
Factory-Direct
Learn More About Caleffi NA10166
Caleffi Tail Piece with High Temperature Check Valve, 1" Sweat Connection with 1" Nut Connections, Low Lead Brass
$146.00
Factory-Direct
Learn More About Caleffi NA10273
Caleffi AutoFill 5350 Series Valves Pressure Gauge, 2" Dual Size, 0-100 PSI, 1/8" NPT Connection
$146.00
Factory-Direct
Learn More About Caleffi Z307433
Caleffi Z-One 3-Way Diverting Sweat Low-Lead Brass Valve Body, 1/2" Connections, 30 PSI, 3.5 Cv
$146.00
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
$152.00
Factory-Direct
Learn More About Caleffi F29633
Caleffi 115 F Replacement Thermostatic Sensor Cartridge, used with 280 Series Protection Valves
$146.00
Factory-Direct
Learn More About Caleffi F29635
Caleffi 140 F Replacement Thermostatic Sensor Cartridge, used with 280 Series Protection Valves
$146.00
Factory-Direct
Learn More About Caleffi F29636
Caleffi 160 F Replacement Thermostatic Sensor Cartridge, used with 280 Series Protection Valves
$146.00
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.