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 501502A
Caleffi Replacement Hi-Capacity Automatic Air Vent, 3/4" NPT Female Connections
$238.24
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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 538402 FD
Caleffi Replacement Boiler Drain Valve, 1/2" NPT x 3/4" Garden Hose Thread
$11.47
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Learn More About Caleffi 538202 FD
Caleffi Replacement Boiler Drain Valve, 1/4" NPT x 3/4" Garden Hose Thread
$11.18
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Learn More About Caleffi NA51069
Caleffi In-line Flow Check Valve, 1" Sweat Union Connections
$56.25
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Learn More About Caleffi 337221A
Caleffi Manual Air Vent with Metal Seal & Adjustable Outlet, 1/4" NPT Connections
$7.72
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Learn More About Caleffi Z300412
Caleffi Z-One 3-Way Diverting NPT Valve Body, 1/2" Connections, 50 PSI, 2.5 Cv
$50.37
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Learn More About Caleffi Z300413
Caleffi Z-One 3-Way Diverting NPT Valve Body, 1/2" Connections, 30 PSI, 3.5 Cv
$50.37
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Learn More About Caleffi Z300432
Caleffi Z-One 3-Way Diverting Sweat Valve Body, 1/2" Connections, 50 PSI, 2.5 Cv
$47.28
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Learn More About Caleffi Z300535
Caleffi Z-One 3-Way Diverting Sweat Valve Body, 3/4" Connections, 25 PSI, 5 Cv
$58.38
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Learn More About Caleffi Z300617
Caleffi Z-One 3-Way Diverting NPT Valve Body, 1" Connections, 20 PSI, 7.5 Cv
$94.85
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Learn More About Caleffi Z300635
Caleffi Z-One 3-Way Diverting Sweat Valve Body, 1" Connections, 25 PSI, 5 Cv
$87.50
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Learn More About Caleffi Z300637
Caleffi Z-One 3-Way Diverting Sweat Valve Body, 1" Connections, 20 PSI, 7.5 Cv
$87.50
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Learn More About Caleffi Z300737
Caleffi Z-One 3-Way Diverting Sweat Valve Body, 1-1/4" Connections, 20 PSI, 7.5 Cv
$106.62
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Learn More About Caleffi 132432A
Caleffi QuickSetter Balancing Valve with Flow Meter, 1/2" NPT, 0.5-1.75 GPM
$154.41
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Learn More About Caleffi 132552A
Caleffi QuickSetter Balancing Valve with Flow Meter, 3/4" NPT, 2 - 7 GPM
$166.18
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Learn More About Caleffi 132662A
Caleffi QuickSetter Balancing Valve with Flow Meter, 1" NPT, 3 - 10 GPM
$194.12
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Learn More About Caleffi 132772A
Caleffi QuickSetter Balancing Valve with Flow Meter, 1-1/4" NPT, 5 - 19 GPM
$258.09
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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 132882A
Caleffi QuickSetter Balancing Valve with Flow Meter, 1-1/2" NPT, 8 - 32 GPM
$305.88
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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 132992A
Caleffi QuickSetter Balancing Valve with Flow Meter, 2" NPT, 12 - 50 GPM
$374.26
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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 NA503040
Caleffi Boilers Temperature Gauge/Dual Pressure Tridicator, 1/4" NPT Connections
$28.01
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