Caleffi Zoning & Circulation

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Learn More About Caleffi 59817A
Caleffi Tail Piece, 1" NPT Male Connection with 1" Nut, Low-Lead Brass
$24.19
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Learn More About Caleffi 675900A
Caleffi Snap-on Thermometer, mounted directly on 3/8", 1/2" & 5/8" PEX or PEX-AL-PEX Piping
$7.94
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Learn More About Caleffi 676269A
Caleffi 2-Way Thermo-electric Zone Valve, 1" Sweat TwisTop Connections, 24V with AUX Switch, NC
$166.18
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Learn More About Caleffi 680507
Caleffi 5/16" Nominal Universal PEX Fittings, ASTM Pipe Size
$7.50
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Learn More About Caleffi 680555A
Caleffi 5/8" Nominal Universal PEX Fittings, ASTM Pipe Size
$7.50
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Learn More About Caleffi 280975A
Caleffi ThermoMix High-Flow Boiler Protection Thermostatic Mixing Valve, Cartridge Sensor, 1-1/4" Sweat Connections, 135 F Max, 14 Cv
$275.74
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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
$7.65
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Learn More About Caleffi 681503A
Caleffi - Series 681 - Universal PEX Fitting - 3/8" Nominal PEX Connection - 150 PSI Maximum Pressure
$7.79
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Learn More About Caleffi NA10002
Caleffi Tail Piece, 1/2" Sweat Connection with 1" Nut, Low-Lead Brass
$6.18
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Learn More About Caleffi NA10005
$6.25
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Learn More About Caleffi NA10006
$7.94
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Learn More About Caleffi NA10056
Caleffi Mixing Valve Outlet Adaptor, Low-Lead Brass with Temperature Gauge, 3/4" Sweat Connections
$47.94
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Learn More About Caleffi NA10058
Caleffi Mixing Valve Outlet Adaptor, Low-Lead Brass with Temperature Gauge, 1" Sweat Connections
$52.65
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Learn More About Caleffi NA10062
Caleffi 1" Sweat Adaptor w/ 1" Male Thread Connections Sweat Adapter Fitting
$17.50
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Learn More About Caleffi NA10064
Caleffi 1" NPT /w Male Thread Connection Nipple Fitting
$18.16
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Learn More About Caleffi NA10165
Caleffi Tail Piece with High Temperature Check Valve, 3/4" Sweat Union Connection, used with 1" Nut, Low Lead Brass
$22.57
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Learn More About Caleffi NA12173
Caleffi 1" NPT x 1" NPT Connections Double Nipple Fitting
$20.15
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Learn More About Caleffi NA61241
Caleffi Inverted Flare Retrofit Extension Kit
$6.47
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Learn More About Caleffi R31981
Caleffi Tail Piece without Check Valve, 1/2" NPT Male Connection, used with 1" Nut, Low-Lead Brass
$8.53
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Learn More About Caleffi R59681
Caleffi Hygroscopic Safety Cap for Discal 551 Air Separators and DiscalDirt 546 Dirt Separators
$14.26
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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
$60.88
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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
$72.21
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Learn More About Caleffi F29633
Caleffi 115 F Replacement Thermostatic Sensor Cartridge, used with 280 Series Protection Valves
$23.68
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.