Manifolds

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Find the perfect manifold for your boiler system. We carry a wide selection of manifolds, as well as manifold components. Let our experts help you find your manifold today.

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

36% Buy This
$7.65
In-Stock
Caleffi Series 681 Universal PEX Fitting, 1/2" Nominal PEX Connection, 150 psi max - QTY:2
21% Buy This
$22.20
In-Stock
Caleffi Series 682 Universal PEX-AL-PEX Fittings, 1/2" PEX-AL-PEX Connections, 150 psi max
11% Buy This
$7.00
In-Stock

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

7% Buy This
$8.17
In-Stock
Caleffi 3/4" Nominal Universal PEX Fittings, ASTM Pipe Size
6% Buy This
$6.86
In-Stock
Learn More About Caleffi 437516-2
Caleffi 1/2" Hard Copper Compression Fittings, 1/2" Compression Connections, 150 psi max
6% Buy This
$9.80
In-Stock
Learn More About Caleffi 437516
Caleffi 1/2" Hard Copper Compression Fittings, 1/2" Compression Connections, 150 psi max
4% Buy This
$9.91
In-Stock
Learn More About Watts Radiant D063064-N
Watts Radiant
Watts Radiant - D063064-N - 1" Manifold End Cap - Order Number: 81001977
3% Buy This
$17.75
Factory-Direct
Learn More About Watts Radiant D4201700-S
Watts Radiant
Watts Radiant - D4201700-S - 3/4" Circuit Isolation Cap - Order Number: 81005479
2% Buy This
$26.00
Factory-Direct
Learn More About Watts Radiant 428337
Watts Radiant
Watts Radiant - 428337 - Replacement Blue Cap - Order Number: 81007329
1% Buy This
$8.00
Factory-Direct
Learn More About Triangle Tube INSRKIT84
$437.00
Only 1 In-Stock
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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.
Learn More About Watts Radiant PX690002-10
Watts Radiant
Watts Radiant - PX690002-10 - 3/4" BSP to 1/2" PEX Compression Fitting - Quantity: 10 - Order Number: 81005168
1% Buy This
$224.50
In-Stock
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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.
Learn More About Watts Radiant PC690003-10
Watts Radiant
Watts Radiant - PC690003-10 - 3/4" BSP to 5/8" Crimp Fitting - Quantity: 10 - Order Number: 81005164
1% Buy This
$235.00
Factory-Direct
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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.
Learn More About Watts Radiant 390095-10
Watts Radiant
Watts Radiant - 390095-10 - 1" Fiber Replacement Gasket - Order Number: 81011084
1% Buy This
$11.25
Factory-Direct
Learn More About Watts Radiant 390096-10
Watts Radiant
Watts Radiant - 390096-10 - 1" Neoprene Replacement Gasket - Order Number: 81011086
1% Buy This
$13.50
Factory-Direct
Learn More About Watts Radiant D4201715-N
Watts Radiant
Watts Radiant - D4201715-N - 1" Vent-and-Purge Assembly - Order Number: 81001993
1% Buy This
$92.75
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
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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.
Learn More About Caleffi 659124
Caleffi Manifold Cabinet for up to 17 Outlets Assembly, 48" W x 20" H
1% Buy This
$418.38
Factory-Direct
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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.
Learn More About Watts Radiant D3803008SS
Watts Radiant
Watts Radiant - D3803008SS - 8-Port 1" Stainless Steel Manifold - Trunk Only - 3/4" BSP Ports - Order Number: 81001985
$1,267.00
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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.
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 Watts Radiant D3803011SS
Watts Radiant
Watts Radiant - D3803011SS - 11-Port 1" Stainless Steel Manifold - Trunk Only - 3/4" BSP Ports - Order Number: 81003688
$1,673.00
Factory-Direct
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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.
2% Check Discount
Learn More About 2% Check Discount
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 6686C5S1A
Caleffi TwistFlow Pre-assembled Manifold Assembly, 1" Inlet Ball Valves, 3 outlets with Flow Gauge
$432.35
In-Stock
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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.
Learn More About Caleffi 6686F5S1A
Caleffi TwistFlow Pre-assembled Manifold Assembly, 1" Inlet Ball Valves, 6 outlets with Flow Gauge
$620.59
In-Stock
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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.
Learn More About Caleffi 6686I5S1A
Caleffi TwistFlow Pre-assembled Manifold Assembly, 1" Inlet Ball Valves, 9 outlets with Flow Gauge
$808.09
Factory-Direct
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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.
Learn More About Caleffi 6686M5S1A
Caleffi TwistFlow Pre-assembled Manifold Assembly, 1" Inlet Ball Valves, 11 outlets with Flow Gauge
$933.82
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.