Flow Control Materials

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Keep the water flowing in your boiler system with flow control materials. With a wide selection of valves, switches, and more, eComfort has the flow control materials to optimize the performance of your hydronic system.

Learn More About Watts Radiant D3803002SS-KIT
Watts Radiant
Watts Radiant - D3803002SS-KIT - 2-Port 1" Stainless Steel Manifold - With Trunk Isolation Kit - 3/4" BSP Ports - Order Number: 81013279
$834.50
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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 D3803003SS-KIT
Watts Radiant
Watts Radiant - D3803003SS-KIT - 3-Port 1" Stainless Steel Manifold - With Trunk Isolation Kit - 3/4" BSP Ports - Order Number: 81013280
$960.50
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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 D3803004SS-KIT
Watts Radiant
Watts Radiant - D3803004SS-KIT - 4-Port 1" Stainless Steel Manifold - With Trunk Isolation Kit - 3/4" BSP Ports - Order Number: 81013281
$1,088.00
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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 D3803005SS-KIT
Watts Radiant
Watts Radiant - D3803005SS-KIT - 5-Port 1" Stainless Steel Manifold - With Trunk Isolation Kit - 3/4" BSP Ports - Order Number: 81013282
$1,254.00
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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
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 Watts Radiant D3803006SS-KIT
Watts Radiant
Watts Radiant - D3803006SS-KIT - 6-Port 1" Stainless Steel Manifold - With Trunk Isolation Kit - 3/4" BSP Ports - Order Number: 81013283
$1,382.00
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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.
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 Watts Radiant D3803008SS-KIT
Watts Radiant
Watts Radiant - D3803008SS-KIT - 8-Port 1" Stainless Steel Manifold - With Trunk Isolation Kit - 3/4" BSP Ports - Order Number: 81013285
$1,622.00
Factory-Direct
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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.
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 Watts Radiant D3803009SS-KIT
Watts Radiant
Watts Radiant - D3803009SS-KIT - 9-Port 1" Stainless Steel Manifold - With Trunk Isolation Kit - 3/4" BSP Ports - Order Number: 81013284
$1,756.00
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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.
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 Watts Radiant D3803010SS-KIT
Watts Radiant
Watts Radiant - D3803010SS-KIT - 10-Port 1" Stainless Steel Manifold - With Trunk Isolation Kit - 3/4" BSP Ports - Order Number: 81013287
$1,889.00
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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.
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 Watts Radiant D3803011SS-KIT
Watts Radiant
Watts Radiant - D3803011SS-KIT - 11-Port 1" Stainless Steel Manifold - With Trunk Isolation Kit - 3/4" BSP Ports - Order Number: 81013288
$2,027.00
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.
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 Watts Radiant D3803012SS-KIT
Watts Radiant
Watts Radiant - D3803012SS-KIT - 12-Port 1" Stainless Steel Manifold - With Trunk Isolation Kit - 3/4" BSP Ports - Order Number: 81013289
$2,171.00
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.
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 519600A
Caleffi Differential Pressure By-pass Valve, 1" NPT Inlet with 1" NPT Outlet
$154.41
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Learn More About Watts Radiant 205116
Watts Radiant
Watts Radiant - 205116 - 1/2" Male Sweat 16-Branch CustomCut Manifold - 4' Length - Order Number: 81001944
$314.50
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.
Learn More About Grundfos 98126824
Grundfos
Grundfos - MAGNA3 32-100 - 1/6 Horsepower - 115-230V/1 Phase - MPN: 4848088
$1,501.00
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.
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 127341AF1G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" NPT Male Connections, Low-Lead Brass
$84.56
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Learn More About Caleffi 127341AF2G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" NPT Male Connections, Low-Lead Brass
$78.75
Factory-Direct
Learn More About Caleffi 127341AF2G5
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" NPT Male Connections, Low-Lead Brass
$84.56
Factory-Direct
Learn More About Caleffi 127341AF4G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" NPT Male Connections, Low-Lead Brass
$84.56
Factory-Direct
Learn More About Caleffi 127341AF5G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" NPT Male Connections, Low-Lead Brass
$84.56
Factory-Direct
Learn More About Caleffi 127349AF1G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" Sweat Connections, Low-Lead Brass
$79.41
Factory-Direct
Learn More About Caleffi 127349AF2G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" Sweat Connections, Low-Lead Brass
$73.50
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Learn More About Caleffi 127349AFG50
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" Sweat Connections, Low-Lead Brass
$79.41
Factory-Direct
Learn More About Caleffi 127349AFG75
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" Sweat Connections, Low-Lead Brass
$79.41
Factory-Direct
Learn More About Caleffi 127351AF2G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 3/4" NPT Male Connections, Low-Lead Brass
$87.50
Factory-Direct
Learn More About Caleffi 127351AF2G5
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 3/4" NPT Male Connections, Low-Lead Brass
$87.50
Factory-Direct