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 NA10058
Caleffi Mixing Valve Outlet Adaptor, Low-Lead Brass with Temperature Gauge, 1" Sweat Connections
$52.65
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Learn More About Caleffi NA10062
Caleffi 1" Sweat Adaptor w/ 1" Male Thread Connections Sweat Adapter Fitting
$17.50
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Learn More About Caleffi NA10064
Caleffi 1" NPT /w Male Thread Connection Nipple Fitting
$18.16
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Learn More About Caleffi NA10165
Caleffi Tail Piece with High Temperature Check Valve, 3/4" Sweat Union Connection, used with 1" Nut, Low Lead Brass
$22.57
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Learn More About Caleffi NA12173
Caleffi 1" NPT x 1" NPT Connections Double Nipple Fitting
$20.15
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Learn More About Caleffi NA61241
Caleffi Inverted Flare Retrofit Extension Kit
$6.47
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Learn More About Caleffi R31981
Caleffi Tail Piece without Check Valve, 1/2" NPT Male Connection, used with 1" Nut, Low-Lead Brass
$8.53
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Learn More About Caleffi R59681
Caleffi Hygroscopic Safety Cap for Discal 551 Air Separators and DiscalDirt 546 Dirt Separators
$14.26
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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
$60.88
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Learn More About Caleffi Z307537
Caleffi Z-One 3-Way Diverting Sweat Low-Lead Brass Valve Body, 3/4" Connections, 20 PSI, 7.5 Cv
$72.21
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Learn More About Caleffi F29633
Caleffi 115 F Replacement Thermostatic Sensor Cartridge, used with 280 Series Protection Valves
$23.68
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Learn More About Caleffi F29634
Caleffi 130 F Replacement Thermostatic Sensor Cartridge, used with 280 Series Protection Valves
$23.68
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Learn More About Caleffi F29635
Caleffi 140 F Replacement Thermostatic Sensor Cartridge, used with 280 Series Protection Valves
$23.68
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Learn More About Caleffi F59650
Caleffi AutoFill Boiler Valves Replacement Cartridge
$26.03
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Learn More About Caleffi R56142
Caleffi Replacement Air Vent Cap for 5026 & 5027 Series
$1.54
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Learn More About Caleffi R56214
Caleffi Replacement Air Vent Cap for model 502043 CST Manifold Air Vent, designed for Pressure Testing
$1.39
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Learn More About Caleffi F39807
Caleffi Replacement Cap & Float Assembly for Discal Brass 551 Series Separators
$44.78
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Learn More About Caleffi 688003A
Caleffi Replacement Manifold Temperature Gauge, 2" Diameter, 210 F Max
$29.78
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Learn More About Caleffi 644004
Caleffi Replacement Motorized Actuator, 3-wire control, 24V, used for 6442 & 6443 Series Valves
$141.91
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Learn More About Watts Radiant D6151005
Watts Radiant

Watts Radiant - D6151005 - Replacement Temperature Gauage - Order Number: 81003402

$39.25
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Learn More About Caleffi NA10119
Caleffi 1" Sweat Adapter x 1-1/4" Union Thread Connection Sweat Adapter Fitting
$22.21
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Learn More About Caleffi NA10197
Caleffi AutoFill Pressure Setting Indicator Disc Cover, Clear Plastic
$1.20
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Learn More About Caleffi NA12162
Caleffi 3/4" Male with O-ring x 1" Male Thread Connection Nipple Fitting
$18.60
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