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Excluding HI, AK & Canada, and products marked Special Handling, Free Shipping on qualified orders over $599! *Some Items Excluded*
Excluding HI, AK & Canada, and products marked Special Handling, Free Shipping on qualified orders over $599! *Some Items Excluded*

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  • Steca Advanced Controller: 5 inputs, 1T output W/ 3 sensors

    Sun Earth, Inc
    Original price $212.60 - Original price $212.60
    Original price
    $212.60
    $212.60 - $212.60
    Current price $212.60
    Out of stock

    SKU TRA501T

    Product features• Compact, multipart designer casing• Installation versions: Solar pump stations, wall installation, mounting rails• Wave packet (T...

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    Original price $212.60 - Original price $212.60
    Original price
    $212.60
    $212.60 - $212.60
    Current price $212.60
    Sold out
  • Salus Smart Plug US, Light Gray

    Braeburn Systems LLC
    Original price $54.11 - Original price $54.11
    Original price
    $54.11
    $54.11 - $54.11
    Current price $54.11
    Out of stock

    SKU SX885ZBLG

    The SALUS miniSmartPlug is small, yet powerful enough to provide simple on/off power control of devices using up to 15 A. • Small size not only kee...

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    Original price $54.11 - Original price $54.11
    Original price
    $54.11
    $54.11 - $54.11
    Current price $54.11
    Sold out
  • Sub-Plt. Burner Assy. NAT

    TanklessWaterHeaters
    Original price $14.29 - Original price $14.29
    Original price
    $14.29
    $14.29 - $14.29
    Current price $14.29
    In stock

    SKU 01-30187

    Original price $14.29 - Original price $14.29
    Original price
    $14.29
    $14.29 - $14.29
    Current price $14.29
  • ROTH RADIUS PANELS 3/8" BOX OF 10

    Roth Industries, Inc
    Original price $40.78 - Original price $40.78
    Original price
    $40.78
    $40.78 - $40.78
    Current price $40.78
    In stock

    SKU 2371000008

    Can be installed over any new or existing subfloor Used with a variety of floor coverings Ideal for wall and ceiling radiant installations Easily ...

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    Original price $40.78 - Original price $40.78
    Original price
    $40.78
    $40.78 - $40.78
    Current price $40.78
  • REMOTE T-STAT 33' CAPILLARY

    Oventrop, Corp
    Original price $143.06 - Original price $143.06
    Original price
    $143.06
    $143.06 - $143.06
    Current price $143.06
    Out of stock

    SKU 101 22 97

    Product Info: Suitable for valves with connection thread M 30 x 1.5 as well as integrated distributors with connection thread M 30 x 1.5 of the rad...

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    Original price $143.06 - Original price $143.06
    Original price
    $143.06
    $143.06 - $143.06
    Current price $143.06
    Sold out
  • REMOTE T-STAT 16' CAPILLARY

    Oventrop, Corp
    Original price $87.71 - Original price $87.71
    Original price
    $87.71
    $87.71 - $87.71
    Current price $87.71
    Out of stock

    SKU 101 22 96

    Product Info: Suitable for valves with connection thread M 30 x 1.5 as well as integrated distributors with connection thread M 30 x 1.5 of the rad...

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    Original price $87.71 - Original price $87.71
    Original price
    $87.71
    $87.71 - $87.71
    Current price $87.71
    Sold out
  • Pilot Burner Assy. (PES) NAT

    TanklessWaterHeaters
    Original price $46.36 - Original price $46.36
    Original price
    $46.36
    $46.36 - $46.36
    Current price $46.36
    In stock

    SKU 00-80795

    SCHEMATIC PART NUMBER PH12-159N

    Original price $46.36 - Original price $46.36
    Original price
    $46.36
    $46.36 - $46.36
    Current price $46.36
  • Gas Control Valve Assy. LPG (W/101-103,166,167)

    TanklessWaterHeaters
    Original price $320.00 - Original price $320.00
    Original price
    $320.00
    $320.00 - $320.00
    Current price $320.00
    In stock

    SKU 00-80303

    Original price $320.00 - Original price $320.00
    Original price
    $320.00
    $320.00 - $320.00
    Current price $320.00
  • Viega Copper Manifold Brackets, 1''

    Viega LLC
    Original price $15.73 - Original price $15.73
    Original price
    $15.73
    $15.73 - $15.73
    Current price $15.73
    Out of stock

    SKU 17145

    Model 2878.927 For use with copper manifolds Galvanized steel

    Original price $15.73 - Original price $15.73
    Original price
    $15.73
    $15.73 - $15.73
    Current price $15.73
    Sold out
  • Main Burner Assy. (PES) LPG (W/143-147)

    TanklessWaterHeaters
    Original price $133.33 - Original price $133.33
    Original price
    $133.33
    $133.33 - $133.33
    Current price $133.33
    Out of stock

    SKU 11-12650

    Original price $133.33 - Original price $133.33
    Original price
    $133.33
    $133.33 - $133.33
    Current price $133.33
    Sold out
  • Mixing valve Three way, dezincification resistant brass, FPT: ¾

    Viega LLC
    Original price $180.83 - Original price $180.83
    Original price
    $180.83
    $180.83 - $180.83
    Current price $180.83
    In stock

    SKU 20080

    Three way For use in Heating, Cooling, and Snow Melt applications Female pipe thread Regulates supply fluid temperature to the system from the sou...

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    Original price $180.83 - Original price $180.83
    Original price
    $180.83
    $180.83 - $180.83
    Current price $180.83
  • Manifold bracket, galvanized steel, d: 1½

    Viega LLC
    Original price $17.90 - Original price $17.90
    Original price
    $17.90
    $17.90 - $17.90
    Current price $17.90
    In stock

    SKU 17126

    Model 2878.927 For use with copper manifolds Galvanized steel

    Original price $17.90 - Original price $17.90
    Original price
    $17.90
    $17.90 - $17.90
    Current price $17.90
  • JOHNSON ELEC SINGLE STAGE STAT & SENSOR - Replaces A419GBF-1

    Supplyhouse.com
    Original price $92.55 - Original price $92.55
    Original price
    $92.55
    $92.55 - $92.55
    Current price $92.55
    Out of stock

    SKU A421GBF-02C

    Features: Wide Setpoint range: -30 to 212° F (-34 to 100° C) Adjustable differential from 1 to 30° F (1 to 30° C) Adjustable anti-short cycle dela...

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    Original price $92.55 - Original price $92.55
    Original price
    $92.55
    $92.55 - $92.55
    Current price $92.55
    Sold out
  • TF-1 Filter Magnetic & Non Mag debris filter (includes 1" fittings) Plastic Housing

    Vista Sales
    Original price $285.15 - Original price $285.15
    Original price
    $285.15
    $285.15 - $285.15
    Current price $285.15
    In stock

    SKU 60003

    The revolutionary Fernox Total Filter TF1 is a unique hydrocyclonic and magnetic in-line filter that removes and contains magnetic and non-magnetic...

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    Original price $285.15 - Original price $285.15
    Original price
    $285.15
    $285.15 - $285.15
    Current price $285.15
  • Grundfos UP15-100F 1/25HP cast iron, 1 speed, flanged housing, 115 V

    Grundfos
    Original price $315.44 - Original price $315.44
    Original price
    $315.44
    $315.44 - $315.44
    Current price $315.44
    Out of stock

    SKU 59896300

    TECHNICAL Speed Number1 Maximum flow8.37 US gpm Max flow8.37 US gpm Maximum head36.09 ft Head max36.09 ft Approvals on nameplateUL, CSA

    Original price $315.44 - Original price $315.44
    Original price
    $315.44
    $315.44 - $315.44
    Current price $315.44
    Sold out
  • Dianorm Double x 24" x 36" Radiator

    Dianorm
    Original price $366.85 - Original price $366.85
    Original price
    $366.85
    $366.85 - $366.85
    Current price $366.85
    In stock

    SKU 22436

    24" x 24" DiaNorm Double DiaNorm has produced millions of radiators made of high quality 1.25 mm FePO1 steel. The finish is epoxy powder coa...

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    Original price $366.85 - Original price $366.85
    Original price
    $366.85
    $366.85 - $366.85
    Current price $366.85
  • Dianorm Double x 12" x 24" Radiator

    Dianorm
    Original price $238.59 - Original price $238.59
    Original price
    $238.59
    $238.59 - $238.59
    Current price $238.59
    In stock

    SKU 21224

    12" x 24" DiaNorm Double DiaNorm has produced millions of radiators made of high quality 1.25 mm FePO1 steel. The finish is epoxy powder coa...

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    Original price $238.59 - Original price $238.59
    Original price
    $238.59
    $238.59 - $238.59
    Current price $238.59
  • Dianorm Double x 20" x 64" Radiator

    Dianorm
    Original price $435.07 - Original price $435.07
    Original price
    $435.07
    $435.07 - $435.07
    Current price $435.07
    In stock

    SKU 22064

    20" x 64" DiaNorm Double DiaNorm has produced millions of radiators made of high quality 1.25 mm FePO1 steel. The finish is epoxy powder coa...

    View full details
    Original price $435.07 - Original price $435.07
    Original price
    $435.07
    $435.07 - $435.07
    Current price $435.07
  • Dianorm Double x 20" x 36" Radiator

    Dianorm
    Original price $305.37 - Original price $305.37
    Original price
    $305.37
    $305.37 - $305.37
    Current price $305.37
    In stock

    SKU 22036

    20" x 36" DiaNorm Double DiaNorm has produced millions of radiators made of high quality 1.25 mm FePO1 steel. The finish is epoxy powder coa...

    View full details
    Original price $305.37 - Original price $305.37
    Original price
    $305.37
    $305.37 - $305.37
    Current price $305.37
  • Dianorm Double x 16" x 72"

    Dianorm
    Original price $462.25 - Original price $462.25
    Original price
    $462.25
    $462.25 - $462.25
    Current price $462.25
    In stock

    SKU 21672

    16" x 72" DiaNorm Double DiaNorm has produced millions of radiators made of high quality 1.25 mm FePO1 steel. The finish is epoxy powder coa...

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    Original price $462.25 - Original price $462.25
    Original price
    $462.25
    $462.25 - $462.25
    Current price $462.25
  • Dianorm Double x 12" x 64" Radiator

    Dianorm
    Original price $396.08 - Original price $396.08
    Original price
    $396.08
    $396.08 - $396.08
    Current price $396.08
    In stock

    SKU 21264

    12" x 64" DiaNorm Double DiaNorm has produced millions of radiators made of high quality 1.25 mm FePO1 steel. The finish is epoxy powder coa...

    View full details
    Original price $396.08 - Original price $396.08
    Original price
    $396.08
    $396.08 - $396.08
    Current price $396.08
  • Dianorm Single x 24" x 36" Radiator

    Dianorm
    Original price $313.10 - Original price $313.10
    Original price
    $313.10
    $313.10 - $313.10
    Current price $313.10
    In stock

    SKU 12436

    24" x 36" DiaNorm Single DiaNorm has produced millions of radiators made of high quality 1.25 mm FePO1 steel. The finish is epoxy powder coa...

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    Original price $313.10 - Original price $313.10
    Original price
    $313.10
    $313.10 - $313.10
    Current price $313.10
  • Dianorm Single x 24" x 16" Radiator

    Dianorm
    Original price $224.24 - Original price $224.24
    Original price
    $224.24
    $224.24 - $224.24
    Current price $224.24
    In stock

    SKU 12416

    24" x 16" DiaNorm Single DiaNorm has produced millions of radiators made of high quality 1.25 mm FePO1 steel. The finish is epoxy powder coa...

    View full details
    Original price $224.24 - Original price $224.24
    Original price
    $224.24
    $224.24 - $224.24
    Current price $224.24
  • Dianorm Single x 20" x 48" Radiator

    Dianorm
    Original price $342.17 - Original price $342.17
    Original price
    $342.17
    $342.17 - $342.17
    Current price $342.17
    In stock

    SKU 12048

    16" x 16" DiaNorm Single DiaNorm has produced millions of radiators made of high quality 1.25 mm FePO1 steel. The finish is epoxy powder coatin...

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    Original price $342.17 - Original price $342.17
    Original price
    $342.17
    $342.17 - $342.17
    Current price $342.17
  • Caleffi 1/2" sweat union connection set to 1" male thread

    Caleffi
    Original price $24.51 - Original price $24.51
    Original price
    $24.51
    $24.51 - $24.51
    Current price $24.51
    In stock

    SKU NA12249

    Original price $24.51 - Original price $24.51
    Original price
    $24.51
    $24.51 - $24.51
    Current price $24.51
  • Centrotherm 2" Bird Screen PPS UV black

    Centrotherm
    Original price $12.09 - Original price $12.09
    Original price
    $12.09
    $12.09 - $12.09
    Current price $12.09
    In stock

    SKU IASPP02

    Manufactured from environmentally friendly polypropylene, InnoFlue® has been tested and is listed to all relevant American, Canadian and European S...

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    Original price $12.09 - Original price $12.09
    Original price
    $12.09
    $12.09 - $12.09
    Current price $12.09
  • Caleffi Wilo Star S30 - 3 speed 120V, pump station replacement circulator

    Caleffi
    Original price $321.05 - Original price $321.05
    Original price
    $321.05
    $321.05 - $321.05
    Current price $321.05
    In stock

    SKU NA12169

    Replacement pump fits NA255 Series solar pump station. 120 VAC/1.3 A30 feet head/30 gpm1½" male union thread

    Original price $321.05 - Original price $321.05
    Original price
    $321.05
    $321.05 - $321.05
    Current price $321.05
  • CALEFFI SOLAR HI CAPACITY AUTO AIR VENT 1/2" FPT

    Caleffi
    Original price $116.39 - Original price $116.39
    Original price
    $116.39
    $116.39 - $116.39
    Current price $116.39
    In stock

    SKU 251004A

    Original price $116.39 - Original price $116.39
    Original price
    $116.39
    $116.39 - $116.39
    Current price $116.39
  • Caleffi 2 way Zone Valve Body Only 20 PSI Close-Off, NO FITTINGS

    Caleffi
    Original price $20.47 - Original price $20.47
    Original price
    $20.47
    $20.47 - $20.47
    Current price $20.47
    In stock

    SKU 676000A

    Original price $20.47 - Original price $20.47
    Original price
    $20.47
    $20.47 - $20.47
    Current price $20.47
  • Caleffi hydro separator 1" NPT female union

    Caleffi
    Original price $406.50 - Original price $406.50
    Original price
    $406.50
    $406.50 - $406.50
    Current price $406.50
    In stock

    SKU 548006A

    This device consists of several different functional components, each meet specific requirements, typical of the circuits used in heating and air-c...

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    Original price $406.50 - Original price $406.50
    Original price
    $406.50
    $406.50 - $406.50
    Current price $406.50
  • Caleffi backflow preventer 1/2" sweat inlet/outlet

    Caleffi
    Original price $69.53 - Original price $69.53
    Original price
    $69.53
    $69.53 - $69.53
    Current price $69.53
    In stock

    SKU 573409A

    Original price $69.53 - Original price $69.53
    Original price
    $69.53
    $69.53 - $69.53
    Current price $69.53
  • Axiom NeutraPal Vertical Wall Mount Neutralizer kit 400K BTU, 1.6 gal/hr

    Axiom
    Original price $105.00 - Original price $105.00
    Original price
    $105.00
    $105.00 - $105.00
    Current price $105.00
    In stock

    SKU NC-1W

    FEATURES and BENEFITS 1.6 Gal/hr (6.05 l/hr) * NeutraPal prevents acidic condensate from corroding drains and sewer systems Neutralized cond...

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    Original price $105.00 - Original price $105.00
    Original price
    $105.00
    $105.00 - $105.00
    Current price $105.00
  • Caleffi 3/4" sweat 3-way thermostatic mix valve low-lead brass

    Caleffi
    Original price $154.18 - Original price $154.18
    Original price
    $154.18
    $154.18 - $154.18
    Current price $154.18
    In stock

    SKU 521509A

    Adjustable thermostatic mixing valve (sweat)For point of distribution in domestic water systems and radiant hydronic heating systems.Locking set p...

    View full details
    Original price $154.18 - Original price $154.18
    Original price
    $154.18
    $154.18 - $154.18
    Current price $154.18
  • Caleffi 4-in-1 Hydraulic Separator 1 1/2" Sweat union

    Caleffi
    Original price $894.75 - Original price $894.75
    Original price
    $894.75
    $894.75 - $894.75
    Current price $894.75
    In stock

    SKU 549598A

    The Caleffi SEP4™ combination hydraulic, air, dirt and magnetic separator is a device that, incorporates high performance air and magnetic and non-...

    View full details
    Original price $894.75 - Original price $894.75
    Original price
    $894.75
    $894.75 - $894.75
    Current price $894.75
  • 24V ACTUATOR W/END SWITCH

    Oventrop, Corp
    Original price $77.51 - Original price $77.51
    Original price
    $77.51
    $77.51 - $77.51
    Current price $77.51
    Out of stock

    SKU 101 24 96

    Used for heating, ventilation and air conditioning. The actuators serve to control the room temperature and can, for instance, be used with convent...

    View full details
    Original price $77.51 - Original price $77.51
    Original price
    $77.51
    $77.51 - $77.51
    Current price $77.51
    Sold out
  • 3"/5" Direct Vent Horizontal Vent Kit - good for up to 8" thick wall

    Rheem Sales Company Inc
    Original price $180.76 - Original price $180.76
    Original price
    $180.76
    $180.76 - $180.76
    Current price $180.76
    In stock

    SKU 3SCPHK4

    Product Info Metal Fab horizontal low profile termination kit for 2" x 6" walls.  For up to 8" walls, can be extended. Kit includes: Low pro...

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    Original price $180.76 - Original price $180.76
    Original price
    $180.76
    $180.76 - $180.76
    Current price $180.76