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 Caleffi 535051A
Caleffi AutoFil Automatic Boiler Fill Valve, 3/4" NPT Male Union Connections
$115.44
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Learn More About Caleffi 535059A
Caleffi AutoFil Automatic Boiler Fill Valve, 3/4" Sweat Union Connections
$112.50
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Learn More About Caleffi 59474A
Caleffi 1/8" MNPT Service Check Valve, no purging system required
$9.41
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Learn More About Caleffi 59834A
Caleffi Tail Piece, 1" Sweat Connection, Low-Lead Brass
$21.84
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Learn More About Caleffi 59893A
Caleffi Tail Piece with Check Valve, 1/2" NPT Male Connection, Low-Lead Brass
$15.97
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Learn More About Caleffi 59904A
Caleffi Tail Piece with Check Valve, 1/2" Sweat Connection with 1" Nut, Low-Lead Brass
$14.15
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Learn More About Caleffi 59905A
Caleffi Tail Piece with Check Valve, 3/4" Sweat Connection with 1" Nut, Low-Lead Brass
$19.56
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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
$193.38
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Learn More About Caleffi 644269A
Caleffi 2-Way Straight Motorized Ball Zone Valve, 1" Sweat Connections, 13 Cv
$255.15
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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 644350A 3BY
Caleffi 3-Way Bypass Motorized Ball Zone Valve, 3/4" NPT Connections, 12 Cv Ball, 1.5 Cv Bypass
$259.56
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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 644359A
Caleffi 3-Way Diverting Motorized Ball Zone Valve, 3/4" Sweat Connections, 4.5 Cv
$267.65
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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 644360A 3BY
Caleffi 3-Way Bypass Motorized Ball Zone Valve, 1" NPT Connections, 12 Cv Ball, 1.5 Cv Bypass
$302.21
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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 656414
Caleffi Low Current Draw Thermoelectric Actuator with AUX Micro Switch, 24V, 31.5" Wire Lead, used on Distribution Manifolds
$77.21
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Learn More About Caleffi 659044
Caleffi Manifold Cabinet for up to 3 Outlets Assembly, 16" W x 20" H
$250.00
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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.
Learn More About Caleffi 659064
Caleffi Manifold Cabinet for up to 6 Outlets Assembly, 24" W x 20" H
$273.53
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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 659084
Caleffi Manifold Cabinet for up to 10 Outlets Assembly, 32" W x 20" H
$322.06
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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 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 519599A
Caleffi Differential Pressure By-pass Valve, 3/4" Sweat Inlet with 3/4" Sweat Outlet
$97.79
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Learn More About Caleffi 519609A
Caleffi Differential Pressure By-pass Valve, 1" NPT Inlet with 1" Sweat Outlet
$154.41
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Learn More About Caleffi 519700A
Caleffi Differential Pressure By-pass Valve, 1-1/4" NPT Inlet with 1-1/4" NPT Outlet
$185.29
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Learn More About Caleffi 519709A
Caleffi Differential Pressure By-pass Valve, 1-1/4" NPT Inlet with 1-1/4" Sweat Outlet
$185.29
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Learn More About Caleffi Z116000
Caleffi Z-One 120V Normally Closed Valve Actuator with AUX Switch, 6" Wire
$85.29
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