Caleffi Zoning & Circulation

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Learn More About Caleffi 6687E5S1A
Caleffi TwistFlow Pre-assembled Manifold Assembly, 1-1/4" Inlet Ball Valves, 5 outlets with Flow Gauge
$583.82
Factory-Direct
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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 6687F5S1A
Caleffi TwistFlow Pre-assembled Manifold Assembly, 1-1/4" Inlet Ball Valves, 6 outlets with Flow Gauge
$646.32
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 6687H5S1A
Caleffi TwistFlow Pre-assembled Manifold Assembly, 1-1/4" Inlet Ball Valves, 8 outlets with Flow Gauge
$772.06
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 6687I5S1A
Caleffi TwistFlow Pre-assembled Manifold Assembly, 1-1/4" Inlet Ball Valves, 9 outlets with Flow Gauge
$835.29
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 6687L5S1A
Caleffi TwistFlow Pre-assembled Manifold Assembly, 1-1/4" Inlet Ball Valves, 10 outlets with Flow Gauge
$897.06
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 6687O5S1A
Caleffi TwistFlow Pre-assembled Manifold Assembly, 1-1/4" Inlet Ball Valves, 13 outlets with Flow Gauge
$1,084.56
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.
2% Check Discount
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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.
Learn More About Caleffi 31401 FD
Caleffi 1-1/4" FNPT Hydro Separators Tail Piece for model 548007A
$28.82
Factory-Direct
Learn More About Caleffi 31403 FD
Caleffi 1-1/4" Sweat Tailpiece for model 548097A
$49.85
Factory-Direct
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
Factory-Direct
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
Factory-Direct
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
Factory-Direct
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
Factory-Direct
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
Factory-Direct
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
Factory-Direct
Learn More About Caleffi 387100
Caleffi PEX Nut Fitting Wrench, 26mm x 30mm
$35.15
Factory-Direct
Learn More About Caleffi 449000
Caleffi Replacement White Knob, used with 663 & 668S1 series manifolds
$6.86
Factory-Direct
Learn More About Caleffi 502043 CST
Caleffi Radiant Manifolds Automatic Air Vent, 1/2" Straight Thread, safety air cap
$18.01
Factory-Direct
Learn More About Caleffi 502043A
Caleffi Radiant Manifolds Automatic Air Vent, 1/2" NPT Male, safety air cap
$18.01
Factory-Direct
Learn More About Caleffi 502243A
Caleffi Replacement High Capacity Air Vent, 1/2" NPT Male Connections, used with HydroLink Separators
$30.81
Factory-Direct
Learn More About Caleffi 502343A
Caleffi Replacement High Capacity Automatic Air Vent with Check Valve, 1/2" NPT Male Connections
$36.47
Factory-Direct
Learn More About Caleffi 521400AC
Caleffi MixingCal 3-Way Thermostatic Mixing Valve w/ checks, 1/2" NPT Connections, 3 Cv
$169.12
Factory-Direct
Learn More About Caleffi 535059A
Caleffi AutoFil Automatic Boiler Fill Valve, 3/4" Sweat Union Connections
$112.50
Factory-Direct
Learn More About Caleffi 59474A
Caleffi 1/8" MNPT Service Check Valve, no purging system required
$9.41
Factory-Direct
Learn More About Caleffi 59834A
Caleffi Tail Piece, 1" Sweat Connection, Low-Lead Brass
$21.84
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.