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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 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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Closeout

$10.80

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$15.80

SAVE $5.00

Only 2 In-Stock

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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

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$10.49

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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

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$33.49

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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

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$6.80

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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

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$4.95

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Caleffi 3/4" Nominal Universal PEX Fittings, ASTM Pipe Size

Model: 680505A

Caleffi 3/4" Nominal Universal PEX Fittings, ASTM Pipe Size

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$5.40

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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

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$105.00

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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)

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$27.00

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Caleffi Series 681 Universal PEX Fitting, 1/2" Nominal PEX Connection, 150 psi max - QTY:2

Model: 681524

Caleffi Series 681 Universal PEX Fitting, 1/2" Nominal PEX Connection, 150 psi max - QTY:2

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$22.20

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Caleffi 1/2" Nominal Universal PEX Fittings, ASTM Pipe Size

Model: 680504A

Caleffi 1/2" Nominal Universal PEX Fittings, ASTM Pipe Size

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$5.40

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Caleffi Straight Isolation & Balancing Valve, 1/2" Straight (Radiator) x 3/4" Conical (Pipe), 2.5 Cv

Model: 343452

Caleffi Straight Isolation & Balancing Valve, 1/2" Straight (Radiator) x 3/4" Conical (Pipe), 2.5 Cv

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$22.30

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Caleffi Manifolds High Temperature Flow Meter with Clearview sight-gauge, 1/2 to 2 GPM

Model: NA669250

Caleffi Manifolds High Temperature Flow Meter with Clearview sight-gauge, 1/2 to 2 GPM

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$17.60

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Caleffi DirtMag Dirt Separator with Magnet, 1" NPT Female Connections, top thread on top

Model: 546306A

Caleffi DirtMag Dirt Separator with Magnet, 1" NPT Female Connections, top thread on top

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$122.00

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Caleffi Dual Check Continuous Pressure Backflow Preventer with Atmospheric Vent, 1/2" Sweat Inlet/Outlet

Model: 573409A

Caleffi Dual Check Continuous Pressure Backflow Preventer with Atmospheric Vent, 1/2" Sweat Inlet/Outlet

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$43.15

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Caleffi Discal Air Separator with 1/2" Check Valve, 1-1/4" NPT Female Connections

Model: 551007AC

Caleffi Discal Air Separator with 1/2" Check Valve, 1-1/4" NPT Female Connections

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$154.40

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Caleffi DirtMag Dirt Separator with Magnet, 1" Sweat Connections, top thread on top

Model: 546328A

Caleffi DirtMag Dirt Separator with Magnet, 1" Sweat Connections, top thread on top

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$110.55

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Caleffi Series 681 Universal PEX Fitting, 1/2" Nominal PEX Connection, 150 psi max - QTY:1

Model: 681524-SINGLE

Caleffi Series 681 Universal PEX Fitting, 1/2" Nominal PEX Connection, 150 psi max - QTY:1

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Caleffi Replacement High Capacity Automatic Air Vent with Check Valve, 1/2" NPT Male Connections

Model: 502343A

Caleffi Replacement High Capacity Automatic Air Vent with Check Valve, 1/2" NPT Male Connections

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$21.25

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Caleffi NA12153 3/4" Sweat Union

Model: NA12153

Caleffi NA12153 3/4" Sweat Union

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$20.85

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Caleffi Z-One 120V Normally Closed Valve Actuator without AUX Switch, 6" Wire

Model: Z126000

Caleffi Z-One 120V Normally Closed Valve Actuator without AUX Switch, 6" Wire

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$48.40

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Caleffi DirtMag Dirt Separator with Magnet, 1-1/2" Female NPT Connections, top thread on top

Model: 546308A

Caleffi DirtMag Dirt Separator with Magnet, 1-1/2" Female NPT Connections, top thread on top

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$220.70

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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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