Zoning and Circulation

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Caleffi 1/2" Sweat Connection Fitting, chrome plated nut

Item#: 24249
Model#: NA10262
Brand: Caleffi
$7.65
In-Stock
Caleffi 3/4" Nominal Universal PEX Fittings, ASTM Pipe Size
Item#: 24350
Model#: 680505A
Brand: Caleffi
$6.86
In-Stock

Caleffi - Series NA103 - Connection Fitting - 1/2" NPT Male Connection - 150 PSI Maximum Pressure

Item#: 24892
Model#: NA10313
Brand: Caleffi
$8.17
In-Stock
Caleffi Z-One 3-Way Diverting Sweat Valve Body, 3/4" Connections, 50 PSI, 2.5 Cv
Item#: 25081
Model#: Z300532
Brand: Caleffi
$53.52
In-Stock
Caleffi Series 682 Universal PEX-AL-PEX Fittings, 1/2" PEX-AL-PEX Connections, 150 psi max
Item#: 24890
Model#: 682540A
Brand: Caleffi
$7.00
In-Stock
120V/1 Phase - Integral Check Valve
Item#: 81549
Brand: Grundfos
$237.00
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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 map apply, see our full shipping policy for more details.
In-Stock
Caleffi Z-One 2-Way Straight Sweat Low-Lead Brass Valve Body, 1/2" Connections, 30 PSI, 3.5 Cv
Item#: 25048
Model#: Z207433
Brand: Caleffi
$48.38
Only 4 In-Stock
Caleffi 5/8" Nominal Universal PEX Fittings, ASTM Pipe Size
Item#: 24405
Model#: 680555A
Brand: Caleffi
$7.50
Factory-Direct
Caleffi Series 681 Universal PEX Fitting, 1/2" Nominal PEX Connection, 150 psi max - QTY:1
Item#: 24889
Model#: 681524
Brand: Caleffi
$11.77
Not For Individual Sale
Taco - 007-F5 - 1/25 Horse Power - Circulator Pump - Cast Iron - Standard Flange Connection
Item#: 58870
Model#: 007-F5
Brand: Taco
$141.16
In-Stock
Grundfos - UPS43-100SF - 1/2 Horsepower - 3-Speed Circulation Pump - Stainless Steel - GF 40/43 Flange - Hardwire - 115V/1 Phase - MPN: 95906638
Item#: 36862
Model#: 95906638
Brand: Grundfos
$799.00
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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 map apply, see our full shipping policy for more details.
Only 2 In-Stock
Caleffi Hygroscopic Safety Cap for Discal 551 Air Separators and DiscalDirt 546 Dirt Separators
Item#: 24734
Model#: R59681
Brand: Caleffi
$14.26
Factory-Direct
Caleffi - Series 681 - Universal PEX Fitting - 3/8" Nominal PEX Connection - 150 PSI Maximum Pressure
Item#: 24887
Model#: 681503A
Brand: Caleffi
$7.79
Factory-Direct
Caleffi - Series 681 - Universal PEX Fitting - 5/8" Nominal PEX Connection - 150 PSI Maximum Pressure, Package of 1
Item#: 24888
Model#: 681555
Brand: Caleffi
$7.65
Only 1 In-Stock
Grundfos - 96806130 - GF 15/26 Flange - Dielectric Isolation Valve Set - Bronze - 3/4" NPT
Item#: 36404
Model#: 96806130
Brand: Grundfos
$65.00
In-Stock
Grundfos - 519652 - GF 15/26 Flange - Pump Connection Adapter - 1" NPT - Quantity 2 - For GF 15/26 Pumps
Item#: 36406
Model#: 519652
Brand: Grundfos
$71.00
In-Stock
Grundfos - 519601 - GF 15/26 Flange - Pump Connection Adapter - 3/4" NPT - Quantity 2 - For GF 15/26 Pumps
Item#: 36412
Model#: 519601
Brand: Grundfos
$16.00
In-Stock
Grundfos - UPS43-100F - 1/2 Horsepower - 3-Speed Circulation Pump - Cast Iron - GF 40/43 Flange - Hardwire - 115V/1 Phase - MPN: 95906636
Item#: 36852
Model#: 95906636
Brand: Grundfos
$517.00
Free Shipping
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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 map apply, see our full shipping policy for more details.
In-Stock
$337.00
Free Shipping
Learn More
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 map apply, see our full shipping policy for more details.
Factory-Direct
Caleffi 1-1/4" Union Washer for model 548007A & 548097A
Item#: 24262
Model#: R50008
Brand: Caleffi
$5.29
Factory-Direct
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" NPT Male Connections, Low-Lead Brass
Item#: 24616
Model#: 127341AF1G0
Brand: Caleffi
$84.56
Factory-Direct
Caleffi Replacement White Knob, used with 663 & 668S1 series manifolds
Item#: 24858
Model#: 449000
Brand: Caleffi
$6.86
Only 2 In-Stock