Caleffi Zoning & Circulation

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Learn More About Caleffi 31901A
Caleffi Tail Piece without Check Valve, 3/4" NPT Male Connection, used with 1" Nut, Low-Lead Brass
$11.10
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Learn More About Caleffi Z40
Caleffi Z-One Z40 2-Way Valve and Actuator Set with 18" Leads & AUX Switch, Inverted Flare, Normally Closed, 3.5 Cv, 30 PSI
$124.26
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Learn More About Caleffi Z40F
Caleffi Z-One Z40F 2-Way Valve and Actuator Set with 18" Leads & AUX Switch, Inverted Flare & 3/4" Sweat Connections, Normally Closed, 3.5 Cv, 30 PSI
$140.44
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Learn More About Caleffi Z42
Caleffi Z-One Z42 2-Way Valve and Actuator Set with 18" Leads & AUX Switch, SAE Flare, Normally Closed, 3.5 Cv, 30 PSI
$133.82
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Learn More About Caleffi Z46
Caleffi Z-One Z46 2-Way Valve and Actuator Set with 18" Leads & AUX Switch, 1" Sweat, Normally Closed, 7.5 Cv, 20 PSI
$163.24
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Learn More About Caleffi Z55
Caleffi Z-One Z55 2-Way Valve and Actuator Set with Terminal Block & AUX Switch, 3/4" Sweat, Normally Closed, 7.5 Cv, 20 PSI
$133.82
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Learn More About Caleffi 387100
Caleffi PEX Nut Fitting Wrench, 26mm x 30mm
$35.15
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Learn More About Caleffi 449000
Caleffi Replacement White Knob, used with 663 & 668S1 series manifolds
$6.86
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Learn More About Caleffi 502043 CST
Caleffi Radiant Manifolds Automatic Air Vent, 1/2" Straight Thread, safety air cap
$18.01
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Learn More About Caleffi 502043A
Caleffi Radiant Manifolds Automatic Air Vent, 1/2" NPT Male, safety air cap
$18.01
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Learn More About Caleffi 502243A
Caleffi Replacement High Capacity Air Vent, 1/2" NPT Male Connections, used with HydroLink Separators
$30.81
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Learn More About Caleffi 502343A
Caleffi Replacement High Capacity Automatic Air Vent with Check Valve, 1/2" NPT Male Connections
$36.47
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Learn More About Caleffi 502640
Caleffi Automatic Air Vent, 1/2" Straight Thread Connections
$17.21
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Learn More About Caleffi 521400AC
Caleffi MixingCal 3-Way Thermostatic Mixing Valve w/ checks, 1/2" NPT Connections, 3 Cv
$169.12
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Learn More About Caleffi 535051A
Caleffi AutoFil Automatic Boiler Fill Valve, 3/4" NPT Male Union Connections
$115.44
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Learn More About Caleffi 535059A
Caleffi AutoFil Automatic Boiler Fill Valve, 3/4" Sweat Union Connections
$112.50
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Learn More About Caleffi 59474A
Caleffi 1/8" MNPT Service Check Valve, no purging system required
$9.41
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Learn More About Caleffi 59834A
Caleffi Tail Piece, 1" Sweat Connection, Low-Lead Brass
$21.84
Factory-Direct
Learn More About Caleffi 59893A
Caleffi Tail Piece with Check Valve, 1/2" NPT Male Connection, Low-Lead Brass
$15.97
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Learn More About Caleffi 59904A
Caleffi Tail Piece with Check Valve, 1/2" Sweat Connection with 1" Nut, Low-Lead Brass
$14.15
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Learn More About Caleffi 59905A
Caleffi Tail Piece with Check Valve, 3/4" Sweat Connection with 1" Nut, Low-Lead Brass
$19.56
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Learn More About Caleffi 626600A
Caleffi 1" NPT Male Universal Flow Switch with NEMA 5 Enclosure, Suitable for 1" to 8" Pipe, used with heating & air conditioning systems
$193.38
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Learn More About Caleffi 644269A
Caleffi 2-Way Straight Motorized Ball Zone Valve, 1" Sweat Connections, 13 Cv
$255.15
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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 644350A 3BY
Caleffi 3-Way Bypass Motorized Ball Zone Valve, 3/4" NPT Connections, 12 Cv Ball, 1.5 Cv Bypass
$259.56
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.