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

28% Buy This
$7.65
In-Stock

Caleffi - Series 940 - Radiator Adapter - 1/2" M Straight x 3/4" M Conical Connection, Package of 2

16% Buy This
$12.83
In-Stock
Caleffi Two-pipe Straight Panel Radiators Valve, 1/2" Straight (Radiator) x 3/4" Conical (Pipe)
8% Buy This
$33.54
In-Stock
Caleffi Thermostatic Control Head with Built-in Sensor, 45-82 F Temperature Range, used with radiator valves
8% Buy This
$40.54
In-Stock
Caleffi Series 681 Universal PEX Fitting, 1/2" Nominal PEX Connection, 150 psi max - QTY:2
5% Buy This
$22.20
In-Stock
Learn More About Caleffi Z207433
Caleffi Z-One 2-Way Straight Sweat Low-Lead Brass Valve Body, 1/2" Connections, 30 PSI, 3.5 Cv
5% Buy This
$48.38
Only 2 In-Stock
Learn More About Caleffi 681555
Caleffi - Series 681 - Universal PEX Fitting - 5/8" Nominal PEX Connection - 150 PSI Maximum Pressure, Package of 1
4% Buy This
$7.65
Factory-Direct
Learn More About Caleffi 301140
Caleffi Two-pipe Angled Panel Radiators Valve, 1/2" Straight (Radiator) x 3/4" Conical (Pipe)
4% Buy This
$33.54
In-Stock
Learn More About Caleffi 682540A
Caleffi Series 682 Universal PEX-AL-PEX Fittings, 1/2" PEX-AL-PEX Connections, 150 psi max
3% Buy This
$7.00
In-Stock
Learn More About Caleffi 338452
Caleffi Angled Radiator Valve Body, 1/2" Straight (Radiator) x 3/4" Conical (Pipe), 3.1 Cv
2% Buy This
$45.66
In-Stock
Learn More About Caleffi 301241
Caleffi One-pipe Straight Panel Radiators Valve, 1/2" Straight (Radiator) x 3/4" Conical (Pipe)
2% Buy This
$58.70
In-Stock
Learn More About Caleffi 573002A
Caleffi AutoFIll Combo Automatic Boiler Fill Valve with Backflow Preventer, Pressure Indicator, 1/2" FNPT Inlet x 1/2" NPT Female Outlet
2% Buy This
$146.41
In-Stock
Learn More About Caleffi 342452
Caleffi Angled Isolation & Balancing Valve, 1/2" Straight (Radiator) x 3/4" Conical (Pipe), 4.6 Cv
2% Buy This
$27.49
In-Stock
Learn More About Caleffi 551050A
Caleffi Discal Air Separator, 2" Flange Connections
1% Buy This
$2,224.96
Factory-Direct
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.
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 NA10313

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

1% Buy This
$8.17
In-Stock
Learn More About Caleffi Z300412
Caleffi Z-One 3-Way Diverting NPT Valve Body, 1/2" Connections, 50 PSI, 2.5 Cv
1% Buy This
$50.37
Factory-Direct
Learn More About Caleffi 437516-2
Caleffi 1/2" Hard Copper Compression Fittings, 1/2" Compression Connections, 150 psi max
1% Buy This
$9.80
In-Stock
Learn More About Caleffi 680505A
Caleffi 3/4" Nominal Universal PEX Fittings, ASTM Pipe Size
1% Buy This
$6.86
In-Stock
Learn More About Caleffi 680507
Caleffi 5/16" Nominal Universal PEX Fittings, ASTM Pipe Size
1% Buy This
$7.50
Factory-Direct
Learn More About Caleffi 301341
Caleffi One-pipe Angled Panel Radiators Valve, 1/2" Straight (Radiator) x 3/4" Conical (Pipe)
1% Buy This
$63.97
In-Stock
Learn More About Caleffi 221500A
Caleffi Straight Radiator Valve Body, 3/4" NPT Connections, 40-212 F, 2.5 Cv
1% Buy This
$47.50
Factory-Direct
Learn More About Caleffi 626009
Caleffi Replacement Stainless Steel Paddle Assembly
1% Buy This
$18.09
Factory-Direct
Learn More About Caleffi 659104
Caleffi Manifold Cabinet for up to 13 Outlets Assembly, 40" W x 20" H
1% Buy This
$369.12
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 573409A
Caleffi Dual Check Continuous Pressure Backflow Preventer with Atmospheric Vent, 1/2" Sweat Inlet/Outlet
1% Buy This
$68.16
Factory-Direct
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!