Caleffi

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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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  • Price: Low to High
  • Price: High to Low
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  • Recommends Only
  • Closeouts Only
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Model Number NA15030 is a Hot Seller
Caleffi Molded Cable for connecting Grundfos VFS & RPS to WMZ-G1 Terminal Block, 10'
Model NA15030 is a Closeout
Closeout
$10.80
Was 
$15.80
SAVE $5.00
Only 2 In-Stock
Model Number 940451 is the Number 1 Seller

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

13% Buy This
$10.49
In-Stock
Model Number 200000 is the Number 2 Seller
Caleffi Thermostatic Control Head with Built-in Sensor, 45-82 F Temperature Range, used with radiator valves
11% Buy This
$33.49
In-Stock
Model Number NA10262 is the Number 3 Seller

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

11% Buy This
$6.75
In-Stock
Model Number 521342A is the Number 4 Seller
Caleffi Scald Protection 3-Way Thermostatic Mixing Valve, Low-Lead Brass 1/2" NPT Connections, 2 Cv
9% Buy This
$102.00
Factory-Direct
Model Number 682540A is the Number 5 Seller
Caleffi Series 682 Universal PEX-AL-PEX Fittings, 1/2" PEX-AL-PEX Connections, 150 psi max
6% Buy This
$4.95
In-Stock
Caleffi Scald Protection 3-Way Thermostatic Mixing Valve, Low-Lead Brass 3/4" Sweat Connections, 2 Cv
4% Buy This
$97.10
Factory-Direct
Caleffi One-pipe Straight Panel Radiators Valve, 1/2" Straight (Radiator) x 3/4" Conical (Pipe)
3% Buy This
$43.95
Only 5 In-Stock
Caleffi Two-pipe Straight Panel Radiators Valve, 1/2" Straight (Radiator) x 3/4" Conical (Pipe)
3% Buy This
$27.00
In-Stock
Caleffi Angled Radiator Valve Body, 1/2" NPT Connections, 40-212 F, 2.7 Cv
3% Buy This
$30.70
Factory-Direct
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
$105.00
In-Stock
Caleffi Tail Piece, 1" Sweat Connection, Low-Lead Brass
3% Buy This
$15.00
Factory-Direct

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

3% Buy This
$6.80
In-Stock
Caleffi Series 681 Universal PEX Fitting, 1/2" Nominal PEX Connection, 150 psi max - QTY:2
3% Buy This
$22.20
Only 1 In-Stock
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 3/4" Sweat Connections, Low-Lead Brass
2% Buy This
$54.75
Factory-Direct
Caleffi 1/2" Sweat Inverted Flare Adaptor
2% Buy This
$4.45
Factory-Direct
Caleffi 3/4" Nominal Universal PEX Fittings, ASTM Pipe Size
2% Buy This
$5.40
In-Stock
Caleffi Straight Radiator Valve Body, 1/2" NPT Connections, 40-212 F, 1.7 Cv
1% Buy This
$30.70
Factory-Direct
Caleffi Series 681 Universal PEX Fitting, 1/2" Nominal PEX Connection, 150 psi max - QTY:1
1% Buy This
Not For Individual Sale
Caleffi Angled Radiator Valve Body, 1/2" Straight (Radiator) x 3/4" Conical (Pipe), 3.1 Cv
1% Buy This
$32.25
Only 1 In-Stock
Caleffi Two-pipe Angled Panel Radiators Valve, 1/2" Straight (Radiator) x 3/4" Conical (Pipe)
1% Buy This
$26.00
In-Stock
Caleffi Angled Isolation & Balancing Valve, 1/2" Straight (Radiator) x 3/4" Conical (Pipe), 4.6 Cv
1% Buy This
$21.25
Only 4 In-Stock
Caleffi One-pipe Angled Panel Radiators Valve, 1/2" Straight (Radiator) x 3/4" Conical (Pipe)
1% Buy This
$43.95
Backordered
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Est. Ship Date Mar 24
Caleffi 1/2" Hard Copper Compression Fittings, 1/2" Compression Connections, 150 psi max
1% Buy This
$9.80
In-Stock