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.
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Learn More About Caleffi 127341AFG50
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" NPT Male Connections, Low-Lead Brass
60% Buy This
$78.75
Factory-Direct
Learn More About Caleffi 127359AF2G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 3/4" Sweat Connections, Low-Lead Brass
11% Buy This
$77.70
In-Stock
Learn More About Caleffi 337221A
Caleffi Manual Air Vent with Metal Seal & Adjustable Outlet, 1/4" NPT Connections
11% Buy This
$6.74
Factory-Direct
Learn More About Caleffi Z307433
Caleffi Z-One 3-Way Diverting Sweat Low-Lead Brass Valve Body, 1/2" Connections, 30 PSI, 3.5 Cv
9% Buy This
$55.85
Factory-Direct
Learn More About Watts Radiant D3499480
Watts Radiant
Watts Radiant - D3499480 - 1" FNPT - FlowGuard - Order Number: 81001980
2% Buy This
$213.00
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 Taco IFS01BF-1
Taco - IFS01BF-1 - Industrial Flow Switch - Brass - Flexible Paddle - NEMA 1
2% Buy This
$171.00
In-Stock
Learn More About Caleffi 626600A
Caleffi 1" NPT Male Universal Flow Switch with NEMA 5 Enclosure, Suitable for 1" to 8" Pipe, used with heating & air conditioning systems
2% Buy This
$177.19
Factory-Direct
Learn More About Caleffi Z300412
Caleffi Z-One 3-Way Diverting NPT Valve Body, 1/2" Connections, 50 PSI, 2.5 Cv
2% Buy This
$46.16
Factory-Direct
Learn More About Caleffi 127341AF1G5
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" NPT Male Connections, Low-Lead Brass
$78.75
Factory-Direct
Learn More About Caleffi 127341AF2G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" NPT Male Connections, Low-Lead Brass
$78.75
In-Stock
Learn More About Caleffi 127341AF3G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" NPT Male Connections, Low-Lead Brass
$78.75
Factory-Direct
Learn More About Caleffi 127341AF3G5
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" NPT Male Connections, Low-Lead Brass
$78.75
Factory-Direct
Learn More About Caleffi 127341AF4G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" NPT Male Connections, Low-Lead Brass
$78.75
Factory-Direct
Learn More About Caleffi 127341AF4G5
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" NPT Male Connections, Low-Lead Brass
$78.75
Factory-Direct
Learn More About Caleffi 127341AF5G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" NPT Male Connections, Low-Lead Brass
$78.75
Factory-Direct
Learn More About Caleffi 127341AF6G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" NPT Male Connections, Low-Lead Brass
$78.75
Factory-Direct
Learn More About Caleffi 127341AF7G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" NPT Male Connections, Low-Lead Brass
$78.75
Factory-Direct
Learn More About Caleffi 127341AF8G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" NPT Male Connections, Low-Lead Brass
$78.75
Factory-Direct
Learn More About Caleffi 127341AFG75
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" NPT Male Connections, Low-Lead Brass
$78.75
Factory-Direct
Learn More About Caleffi 127349AF1G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" Sweat Connections, Low-Lead Brass
$73.50
In-Stock
Learn More About Caleffi 127349AF1G5
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" Sweat Connections, Low-Lead Brass
$73.50
Factory-Direct
Learn More About Caleffi 127349AF2G5
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" Sweat Connections, Low-Lead Brass
$73.50
Factory-Direct
Learn More About Caleffi 127349AF3G0
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" Sweat Connections, Low-Lead Brass
$73.50
In-Stock
Learn More About Caleffi 127349AF3G5
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" Sweat Connections, Low-Lead Brass
$73.50
Factory-Direct