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Model Number NA15030 is a Hot Seller
Learn More About Caleffi NA15030
Caleffi Molded Cable for connecting Grundfos VFS & RPS to WMZ-G1 Terminal Block, 10'
Model: NA15030
Caleffi Molded Cable for connecting Grundfos VFS & RPS to WMZ-G1 Terminal Block, 10'
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Model NA15030 is a Closeout
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$10.80
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$15.80
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Model Number 127341AF2G0 is the Number 1 Seller
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Caleffi FlowCal Compact Automatic Flow Balancing Valve 1/2" NPT Male Connections, Low-Lead Brass
Model: 127341AF2G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" NPT Male Connections, Low-Lead Brass
17% Buy This
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$75.00
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Model Number 127349AF2G0 is the Number 2 Seller
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Caleffi FlowCal Compact Automatic Flow Balancing Valve 1/2" Sweat Connections, Low-Lead Brass
Model: 127349AF2G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" Sweat Connections, Low-Lead Brass
17% Buy This
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$70.00
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Model Number 940451 is the Number 3 Seller
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Caleffi Series 940 - Radiator Adapter - 1/2" x 3/4" Connections - QTY: 2
Model: 940451

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

13% Buy This
(4)
$12.22
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Model Number 200000 is the Number 4 Seller
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Caleffi Thermostatic Control Head with Built-in Sensor, 45-82 F Temperature Range, used with radiator valves
Model: 200000
Caleffi Thermostatic Control Head with Built-in Sensor, 45-82 F Temperature Range, used with radiator valves
9% Buy This
(3)
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$38.61
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Model Number 682540A is the Number 5 Seller
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Caleffi Series 682 Universal PEX-AL-PEX Fittings, 1/2" PEX-AL-PEX Connections, 150 psi max
Model: 682540A
Caleffi Series 682 Universal PEX-AL-PEX Fittings, 1/2" PEX-AL-PEX Connections, 150 psi max
8% Buy This
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$6.67
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Learn More About Caleffi 680504A
Caleffi 1/2" Nominal Universal PEX Fittings, ASTM Pipe Size
Model: 680504A
Caleffi 1/2" Nominal Universal PEX Fittings, ASTM Pipe Size
4% Buy This
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$6.53
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Learn More About Caleffi NA10262
Caleffi 1/2" Sweat Connection Fitting, chrome plated nut
Model: NA10262

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

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(1)
$7.29
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Learn More About Caleffi 573002A
Caleffi Auto Fill Combo Automatic Boiler Fill Valve with Backflow Preventer, 1/2" FNPT Inlet x 1/2" FNPT Outlet
Model: 573002A
Caleffi AutoFIll Combo Automatic Boiler Fill Valve with Backflow Preventer, Pressure Indicator, 1/2" FNPT Inlet x 1/2" NPT Female Outlet
3% Buy This
(2)
$139.44
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Learn More About Caleffi NA10313
Caleffi Series NA103 - Connection Fitting - 1/2" NPT Male Connection - 3/4" BSP
Model: NA10313

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

3% Buy This
(1)
$7.78
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Learn More About Caleffi Z200431
Caleffi Z-One 2-Way Straight Sweat Valve Body, 1/2" Connections, 75 PSI, 1 Cv
Model: Z200431
Caleffi Z-One 2-Way Straight Sweat Valve Body, 1/2" Connections, 75 PSI, 1 Cv
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$30.21
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Learn More About Caleffi 301241
Caleffi One-pipe Straight Panel Radiators Valve - With Adjustable Bypass - 1/2" Straight (Radiator) x 3/4" Conical (Pipe)
Model: 301241
Caleffi One-pipe Straight Panel Radiators Valve, 1/2" Straight (Radiator) x 3/4" Conical (Pipe)
2% Buy This
(2)
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$55.90
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Learn More About Caleffi 301140
Caleffi Two-pipe Angled Panel Radiators Valve, 1/2" Straight (Radiator) x 3/4" Conical (Pipe)
Model: 301140
Caleffi Two-pipe Angled Panel Radiators Valve, 1/2" Straight (Radiator) x 3/4" Conical (Pipe)
1% Buy This
(1)
$31.94
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Learn More About Caleffi 301040
Caleffi Two-pipe Straight Panel Radiators Valve - 1/2" Straight (Radiator) x 3/4" Conical (Pipe)
Model: 301040
Caleffi Two-pipe Straight Panel Radiators Valve, 1/2" Straight (Radiator) x 3/4" Conical (Pipe)
1% Buy This
(2)
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$31.94
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Learn More About Caleffi NA551050A
Caleffi Discal Air Separator, 2" Flange Connections, ASME & CRN Certified
Model: NA551050A
Caleffi Discal Air Separator, 2" Flange Connections, ASME & CRN Certified
1% Buy This
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$2,654.23
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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.
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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.
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Learn More About Caleffi 59817A
Caleffi Tail Piece, 1" NPT Male Connection with 1" Nut, Low-Lead Brass
Model: 59817A
Caleffi Tail Piece, 1" NPT Male Connection with 1" Nut, Low-Lead Brass
1% Buy This
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$21.11
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Learn More About Caleffi NA10062
Caleffi 1" Sweat Adaptor w/ 1" Male Thread Connections Sweat Adapter Fitting
Model: NA10062
Caleffi 1" Sweat Adaptor w/ 1" Male Thread Connections Sweat Adapter Fitting
1% Buy This
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$15.28
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Learn More About Caleffi 680505A
Caleffi 3/4" Nominal Universal PEX Fittings, ASTM Pipe Size
Model: 680505A
Caleffi 3/4" Nominal Universal PEX Fittings, ASTM Pipe Size
1% Buy This
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$6.53
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Learn More About Caleffi 342452
Caleffi Angled Isolation & Balancing Valve, 1/2" Straight (Radiator) x 3/4" Conical (Pipe), 4.6 Cv
Model: 342452
Caleffi Angled Isolation & Balancing Valve, 1/2" Straight (Radiator) x 3/4" Conical (Pipe), 4.6 Cv
1% Buy This
(1)
$26.18
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Learn More About Caleffi 386500
Caleffi 3/4" Manifold Outlet Cap, 3/4" Straight Thread
Model: 386500
Caleffi 3/4" Manifold Outlet Cap, 3/4" Straight Thread
1% Buy This
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$6.53
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Learn More About Caleffi 437516-2
Caleffi 1/2" Hard Copper Compression Fittings, 1/2" Compression Connections, 150 psi max - QTY: 2
Model: 437516
Caleffi 1/2" Hard Copper Compression Fittings, 1/2" Compression Connections, 150 psi max
1% Buy This
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$9.80
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Learn More About Caleffi 132882A
Caleffi QuickSetter Balancing Valve with Flow Meter, 1-1/2" NPT, 8 - 32 GPM
Model: 132882A
Caleffi QuickSetter Balancing Valve with Flow Meter, 1-1/2" NPT, 8 - 32 GPM
1% Buy This
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$271.13
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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.
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Learn More About Caleffi 221500A
Caleffi Straight Radiator Valve Body, 3/4" NPT Connections, 40-212 F, 2.5 Cv
Model: 221500A
Caleffi Straight Radiator Valve Body, 3/4" NPT Connections, 40-212 F, 2.5 Cv
1% Buy This
(1)
$41.46
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Learn More About Caleffi 338452
Caleffi Angled Radiator Valve Body, 1/2" Straight (Radiator) x 3/4" Conical (Pipe), 3.1 Cv
Model: 338452
Caleffi Angled Radiator Valve Body, 1/2" Straight (Radiator) x 3/4" Conical (Pipe), 3.1 Cv
1% Buy This
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$39.86
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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!