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One of the biggest names in hydronics, Caleffi has all the parts to optimize your boiler's performance. We carry a full line of Caleffi heating products, so start shopping below or call us for expert advice!
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Caleffi - Series 940 - Radiator Adapter - 1/2" M Straight x 3/4" M Conical Connection, Package of 2

12% Buy This
$9.65
In-Stock
Caleffi QuickSetter Balancing Valve with Flow Meter, 1/2" NPT, 0.5-1.75 GPM
$101.85
Factory-Direct

Caleffi 1/2" Sweat Connection Fitting, chrome plated nut

9% Buy This
$5.85
In-Stock
Caleffi 1/2" Hard Copper Compression Fittings, 1/2" Compression Connections, 150 psi max
$9.35
In-Stock
Caleffi Series 681 Universal PEX Fitting, 1/2" Nominal PEX Connection, 150 psi max - QTY:1
9% Buy This
$11.10
Factory-Direct
Caleffi Replacement Boiler Drain Valve, 1/2" NPT x 3/4" Garden Hose Thread
$8.00
Factory-Direct
Caleffi Two-pipe Straight Panel Radiators Valve, 1/2" Straight (Radiator) x 3/4" Conical (Pipe)
6% Buy This
$23.25
In-Stock
Caleffi Thermostatic Control Head with Built-in Sensor, 45-82 F Temperature Range, used with radiator valves
5% Buy This
$31.25
Factory-Direct

Caleffi - Series NA103 - Connection Fitting - 1/2" NPT Male Connection - 150 PSI Maximum Pressure

5% Buy This
$6.20
Only 2 In-Stock
Caleffi Two-pipe Angled Panel Radiators Valve, 1/2" Straight (Radiator) x 3/4" Conical (Pipe)
3% Buy This
$23.25
Only 3 In-Stock
Caleffi One-pipe Straight Panel Radiators Valve, 1/2" Straight (Radiator) x 3/4" Conical (Pipe)
2% Buy This
$43.95
Only 1 In-Stock
Caleffi Series 682 Universal PEX-AL-PEX Fittings, 1/2" PEX-AL-PEX Connections, 150 psi max
$4.95
In-Stock
Caleffi QuickSetter Balancing Valve with Flow Meter, 1-1/2" NPT, 8 - 32 GPM
$201.05
Factory-Direct
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Learn More About Free Freight *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 Solar Systems Automatic Air Vent, 1/2" NPT Connection
$32.40
Only 2 In-Stock
Caleffi AutoFIll Combo Automatic Boiler Fill Valve with Backflow Preventer, Pressure Indicator, 1/2" FNPT Inlet x 1/2" NPT Female Outlet
1% Buy This
$99.60
Factory-Direct
Caleffi 2-Way Straight Motorized Ball Zone Valve, 1" Sweat Connections, 13 Cv
$177.50
Factory-Direct
Caleffi FlowCal Y-Strainer with Integral Ball Valve, 3/4" Sweat Connections
$66.65
Factory-Direct
Caleffi Solar Systems Safety Relief Valve, 1/2" FNPT Inlet x 3/4" FNPT Discharge, Factory set to 60 PSI
$32.25
Factory-Direct
Caleffi Boiler Trim Kit, 1-1/4" Sweat Connections w/BackFlow Preventer & 4.4 gal Expansion Tank
$347.95
Factory-Direct
Freight Icon
Free Shipping
Learn More About Free Freight *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 Angled Isolation & Balancing Valve, 1/2" Straight (Radiator) x 3/4" Conical (Pipe), 4.6 Cv
1% Buy This
$21.25
Factory-Direct
Caleffi DirtMag Dirt Separator with Magnet, 1" NPT Female Connections, top thread on top
1% Buy This
$116.10
Only 2 In-Stock
Caleffi DirtMag Dirt Separator with Magnet, 1-1/4" Sweat Connections, top thread on top
1% Buy This
$161.45
Factory-Direct
Caleffi One-pipe Angled Panel Radiators Valve, 1/2" Straight (Radiator) x 3/4" Conical (Pipe)
1% Buy This
$43.95
Only 1 In-Stock
Caleffi Air & Dirt Separator, 1-1/4" Integral Sweat Connections
1% Buy This
$197.75
Factory-Direct

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