Caleffi Boiler System Accessories

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Caleffi Series 682 Universal PEX-AL-PEX Fittings, 1/2" PEX-AL-PEX Connections, 150 psi max
Item#: 24890
Model#: 682540A
Brand: Caleffi
$7.00
In-Stock
Caleffi AutoFIll Combo Automatic Boiler Fill Valve with Backflow Preventer, Pressure Indicator, 1/2" FNPT Inlet x 1/2" NPT Female Outlet
Item#: 25898
Model#: 573002A
Brand: Caleffi
$146.41
In-Stock
Caleffi 1/2" Nominal Universal PEX Fittings, ASTM Pipe Size
Item#: 24245
Model#: 680504A
Brand: Caleffi
$6.86
In-Stock
Caleffi Replacement White Knob, used with 663 & 668S1 series manifolds
Item#: 24858
Model#: 449000
Brand: Caleffi
$6.86
Factory-Direct
Caleffi Manifolds High Temperature Flow Meter with Clearview sight-gauge, 1-1/4 to 1 GPM
Item#: 24762
Model#: NA669150
Brand: Caleffi
$23.26
Factory-Direct
Caleffi Z-One 3-Way Diverting Sweat Valve Body, 1/2" Connections, 50 PSI, 2.5 Cv
Item#: 25076
Model#: Z300432
Brand: Caleffi
$43.31
Factory-Direct
Caleffi Snap-on Thermometer, mounted directly on 3/8", 1/2" & 5/8" PEX or PEX-AL-PEX Piping
Item#: 24894
Model#: 675900A
Brand: Caleffi
$7.29
Factory-Direct
Caleffi - Series 681 - Universal PEX Fitting - 5/8" Nominal PEX Connection - 150 PSI Maximum Pressure, Package of 1
Item#: 24888
Model#: 681555
Brand: Caleffi
$7.00
Factory-Direct
Caleffi Z-One 3-Way Diverting Sweat Low-Lead Brass Valve Body, 3/4" Connections, 20 PSI, 7.5 Cv
Item#: 25073
Model#: Z307537
Brand: Caleffi
$66.21
Factory-Direct
Caleffi Discal Air Separator with 1/2" Check Valve, 1-1/4" NPT Female Connections
Item#: 24530
Model#: 551007AC
Brand: Caleffi
$225.35
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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 map apply, see our full shipping policy for more details.
In-Stock
Caleffi Tail Piece, 3/4" Sweat Connection for 1" Nut, Low-Lead Brass
Item#: 24956
Model#: NA10003
Brand: Caleffi
$7.88
Factory-Direct
Caleffi Z-One 120V Normally Closed Valve Actuator with AUX Switch, 6" Wire
Item#: 25014
Model#: Z116000
Brand: Caleffi
$78.75
Factory-Direct
Caleffi AutoFIll Combo Automatic Boiler Fill Valve with Backflow Preventer, Pressure Indicator, 1/2" Sweat Inlet x 1/2" FNPT Outlet
Item#: 25933
Model#: 573009A
Brand: Caleffi
$139.76
In-Stock
Caleffi Dual Check Continuous Pressure Backflow Preventer with Atmospheric Vent, 1/2" Sweat Inlet/Outlet
Item#: 24568
Model#: 573409A
Brand: Caleffi
$63.37
In-Stock
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 3/4" NPT Male Connections, Low-Lead Brass
Item#: 24648
Model#: 127351AF1G0
Brand: Caleffi
$80.85
In-Stock
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 3/4" Sweat Connections, Low-Lead Brass
Item#: 24669
Model#: 127359AF3G5
Brand: Caleffi
$77.70
Factory-Direct
Caleffi Radiant Manifolds Automatic Air Vent, 1/2" Straight Thread, safety air cap
Item#: 24829
Model#: 502043 CST
Brand: Caleffi
$15.99
Factory-Direct
Caleffi Tail Piece with Check Valve, 3/4" Sweat Connection with 1" Nut, Low-Lead Brass
Item#: 24950
Model#: 59905A
Brand: Caleffi
$17.93
Factory-Direct
Caleffi Z-One 24V Normally Closed Valve Actuator with AUX Switch and Terminal Block Screws
Item#: 25026
Model#: Z151000
Brand: Caleffi
$80.93
In-Stock
Caleffi Z-One 3-Way Diverting Sweat Valve Body, 1-1/4" Connections, 20 PSI, 7.5 Cv
Item#: 25078
Model#: Z300737
Brand: Caleffi
$97.71
Factory-Direct
Caleffi 2-Way Straight Motorized Ball Zone Valve, 3/4" NPT Connections, 13 Cv
Item#: 24316
Model#: 644250A
Brand: Caleffi
$220.94
Free Shipping
Learn More
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 map apply, see our full shipping policy for more details.
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Caleffi Anti Suction Cap for Discal 551 & DiscalDirt 546 series
Item#: 24454
Model#: 562100
Brand: Caleffi
$13.06
In-Stock
Caleffi DirtMag Dirt Separator with Magnet, 1-1/4" Sweat Connections, top thread on top
Item#: 24523
Model#: 546335A
Brand: Caleffi
$171.14
Factory-Direct
Caleffi Discal Air Separator with 1/2" Check Valve, 1" NPT Female Connections
Item#: 24526
Model#: 551006AC
Brand: Caleffi
$157.04
Factory-Direct