Flow Control Materials

Loading Image
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 Grundfos 96806135
Grundfos
Grundfos - 96806135 - GF 15/26 Flange - Dielectric Isolation Valve Set - Bronze - 3/4" Sweat
$86.00
In-Stock
Learn More About Grundfos 98126800
$2,347.00
In-Stock
Free Shipping
Learn More About Free Freight
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 Grundfos 98126804
$2,697.00
In-Stock
Free Shipping
Learn More About Free Freight
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 Grundfos 98126820
$1,185.00
In-Stock
Free Shipping
Learn More About Free Freight
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 Grundfos 98126823
$1,197.00
In-Stock
Free Shipping
Learn More About Free Freight
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 Grundfos 99452479
$900.35
In-Stock
Free Shipping
Learn More About Free Freight
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 F29571
Caleffi 32-250 F Dual Scale Temperature Gauge, used with 280 Series Protection Valves
$20.07
Factory-Direct
Learn More About Caleffi NA10003
Caleffi Tail Piece, 3/4" Sweat Connection for 1" Nut, Low-Lead Brass
$8.53
In-Stock
Learn More About Caleffi NA10007
$13.16
Factory-Direct
Learn More About Caleffi NA10009
Caleffi 1" NPT Male Tailpiece for 523060A, can be used on all ports
$33.68
Factory-Direct
Learn More About Caleffi NA10087
Caleffi 1" Female x 1-1/4" Male Thread Connection Bushing Fitting
$16.25
In-Stock
Learn More About Caleffi NA10164
Caleffi Tail Piece with High Temperature Check Valve, 1/2" Sweat Union Connection, used with 1" Nut, Low Lead Brass
$19.34
Factory-Direct
Learn More About Caleffi NA10166
Caleffi Tail Piece with High Temperature Check Valve, 1" Sweat Connection with 1" Nut Connections, Low Lead Brass
$36.99
In-Stock
Learn More About Caleffi NA10273
Caleffi AutoFill 5350 Series Valves Pressure Gauge, 2" Dual Size, 0-100 PSI, 1/8" NPT Connection
$10.74
In-Stock
Learn More About Caleffi R41441
Caleffi 1-1/2" NPT Hydro Separators Tail Piece for model 548008A
$29.12
Factory-Direct
Learn More About Caleffi F19346
Caleffi QuickSetter Replacement By-Pass Valve Stem
$31.25
Factory-Direct
Learn More About Caleffi 59829
Caleffi Replacement Air Vent for Brass Discal Body, all series except Compact
$92.65
Factory-Direct
Learn More About Caleffi F69600
Caleffi Replacement Balance / Flow Meter for 668S1 Series Manifolds
$21.62
Factory-Direct
Learn More About Caleffi NA39589
Caleffi Replacement Ball Valve with T-handle, 3/4" NPT Female Connections, used with DirtCal Dirt Separators
$23.68
Factory-Direct
Learn More About Caleffi NA39753
Caleffi Replacement Ball Valve, 1" NPT Female, used with DirtCal Dirt Separators
$32.28
Factory-Direct