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

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  • Sold out

    12" Pipe Length

    Rheem Sales Company Inc
    $58.40 - $58.40
    $58.40
    $58.40 - $58.40
    $58.40
    Out of stock

    SKU 3SC12

    Product Info 12" Length of 3"/5" concentric vent pipe for Rheem RTG-64DVL, RTG-84DVL, and RTG-95DVL models. This item is also known as Rhee...

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    $58.40 - $58.40
    $58.40
    $58.40 - $58.40
    $58.40
    Sold out
  • Sold out

    Manifold expansion set, stainless steel, d: 1¼; Union: 1¼; FPT: 1; Outlet(s): 1

    Viega LLC
    $96.71 - $96.71
    $96.71
    $96.71 - $96.71
    $96.71
    Out of stock

    SKU 16430

    For SS manifold shutoff / balancing / flow meter Stainless Steel  Union connection, female pipe thread  Components         (2) 1-1/4" MPT x 1" MP...

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    $96.71 - $96.71
    $96.71
    $96.71 - $96.71
    $96.71
    Sold out

  • Magnetic Safety Valve (W/102)

    TanklessWaterHeaters
    $66.67 - $66.67
    $66.67
    $66.67 - $66.67
    $66.67
    In stock

    SKU 01-62300

    $66.67 - $66.67
    $66.67
    $66.67 - $66.67
    $66.67

  • Grundfos UPS15-55SFC 1/12 HP 3 speed stainless steel circulator w/ check valve 115V

    Grundfos
    $605.91 - $605.91
    $605.91
    $605.91 - $605.91
    $605.91
    In stock

    SKU 59896773

    Features Ceramic shaft and radial bearings Carbon axial bearing Stainless steel rotor can and bearing plate Corrosion-resistant impeller, Co...

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    $605.91 - $605.91
    $605.91
    $605.91 - $605.91
    $605.91
  • Sold out

    Dianorm/Purmo Single x 16" x 16" Radiator

    Dianorm
    $0.00 - $0.00
    $0.00
    $279.15
    $279.15 - $279.15
    $279.15
    Out of stock

    SKU 11616

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

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    $0.00 - $0.00
    $0.00
    $279.15
    $279.15 - $279.15
    $279.15
    Sold out

  • Dianorm/Purmo Double x 20" x 48" Radiator

    Dianorm
    $0.00 - $0.00
    $0.00
    $691.02
    $691.02 - $691.02
    $691.02
    In stock

    SKU 22048

    20" x 48" DiaNorm/Purmo Double DiaNorm/Purmo has produced millions of radiators made of high quality 1.25 mm FePO1 steel. The finish is epox...

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    $0.00 - $0.00
    $0.00
    $691.02
    $691.02 - $691.02
    $691.02

  • Dianorm/Purmo Double x 12" x 36" Radiator

    Dianorm
    $273.47 - $273.47
    $273.47
    $273.47 - $273.47
    $273.47
    Low stock

    SKU 21236

    12" x 36" DiaNorm/Purmo Double DiaNorm/Purmo has produced millions of radiators made of high quality 1.25 mm FePO1 steel. The finish is epox...

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    $273.47 - $273.47
    $273.47
    $273.47 - $273.47
    $273.47

  • Copper Manifold - Valveless, 1-1/2'' Header x 3/4'' Circuit Connection - 18 Outlets

    Viega LLC
    $273.81 - $273.81
    $273.81
    $273.81 - $273.81
    $273.81
    In stock

    SKU 17120

    For use in Heating, Cooling, and Snow Melt applications Type L copper Solder Model 2835US

    $273.81 - $273.81
    $273.81
    $273.81 - $273.81
    $273.81
  • Sold out

    Caleffi Wilo Star S30 - 3 speed 120V, pump station replacement circulator

    Caleffi North America, Inc
    $321.05 - $321.05
    $321.05
    $321.05 - $321.05
    $321.05
    Out of stock

    SKU NA12169

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

    $321.05 - $321.05
    $321.05
    $321.05 - $321.05
    $321.05
    Sold out

  • Caleffi 2 way Zone Valve Body Only 20 PSI Close-Off, NO FITTINGS

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $24.97
    $24.97 - $24.97
    $24.97
    In stock

    SKU 676000A

    $0.00 - $0.00
    $0.00
    $24.97
    $24.97 - $24.97
    $24.97
  • Sold out

    Caleffi 1" NPT tail piece and nut for Caleffi Mix Valve

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $33.50
    $33.50 - $33.50
    $33.50
    Out of stock

    SKU 59817A

    $0.00 - $0.00
    $0.00
    $33.50
    $33.50 - $33.50
    $33.50
    Sold out

  • Caleffi replacement fuse T4A

    Caleffi North America, Inc
    $3.10 - $3.10
    $3.10
    $3.10 - $3.10
    $3.10
    In stock

    SKU 257208

    $3.10 - $3.10
    $3.10
    $3.10 - $3.10
    $3.10

  • 1" Union NPT Composite DirtMag with isolation ball valves

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $274.43
    $274.43 - $274.43
    $274.43
    In stock

    SKU NA545356

    Dirt separator with magnet. Brass mounting housing. Composite PA66G30 body. Max. working pressure: 45 psi. Working temperature range: 32—195°F. Par...

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    $0.00 - $0.00
    $0.00
    $274.43
    $274.43 - $274.43
    $274.43

  • Caleffi discal air separator 1" NPT female

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $149.31
    $149.31 - $149.31
    $149.31
    In stock

    SKU 551006A

    $0.00 - $0.00
    $0.00
    $149.31
    $149.31 - $149.31
    $149.31
  • Sold out

    24V RADIANT T-STAT AIR & FLOOR

    TanklessWaterHeaters
    $219.38 - $219.38
    $219.38
    $219.38 - $219.38
    $219.38
    Out of stock

    SKU MTD39994UF

    Temperature Range (F): 40°F to 104°F Differential:  0.7°F Ambient Temperature: 32 to 122°F Height (Inches): 4.5" Width: 3" Voltage:  24v...

    View full details
    $219.38 - $219.38
    $219.38
    $219.38 - $219.38
    $219.38
    Sold out
  • Sold out

    3"/5" Direct Vent Horizontal Vent Kit - good for up to 8" thick wall

    Rheem Sales Company Inc
    $186.18 - $186.18
    $186.18
    $186.18 - $186.18
    $186.18
    Out of 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...

    View full details
    $186.18 - $186.18
    $186.18
    $186.18 - $186.18
    $186.18
    Sold out

  • Bath1 Digital Remote Control

    Rheem Sales Company Inc
    $104.41 - $104.41
    $104.41
    $104.41 - $104.41
    $104.41
    In stock

    SKU RTG20006DU

    $104.41 - $104.41
    $104.41
    $104.41 - $104.41
    $104.41

  • WaiWela Descaling Kit - 4 portions

    WaiWela
    $0.00 - $0.00
    $0.00
    $180.95
    $180.95 - $180.95
    $180.95
    In stock

    SKU WDKIT-4

    Benefits Tankless maintenance made easy! The descaling kit is a simple, inexpensive, do-it-yourself method of dissolving mineral build-up from wate...

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    $0.00 - $0.00
    $0.00
    $180.95
    $180.95 - $180.95
    $180.95

  • Sweat Sani-Brass Tankless installation valve 3/4"

    WaiWela
    $0.00 - $0.00
    $0.00
    $86.67
    $86.67 - $86.67
    $86.67
    In stock

    SKU WTIV-SWT-SB

    WHY ARE TIVS A GREAT VALUE? A $120 value, Tankless Installation Valves (TIVs) make installation and maintenance on your tankless water heater a ha...

    View full details
    $0.00 - $0.00
    $0.00
    $86.67
    $86.67 - $86.67
    $86.67

  • Tekmar Slab Sensor-10’ (3 m) wire 10K

    Tekmar
    $0.00 - $0.00
    $0.00
    $45.49
    $45.49 - $45.49
    $45.49
    In stock

    SKU 079

    The Slab Sensor 079 is commonly used for floor temperature sensing in floor heating applications. The thin casing allows for retrofit installation...

    View full details
    $0.00 - $0.00
    $0.00
    $45.49
    $45.49 - $45.49
    $45.49

  • RESOL DeltaSol® SL - Full kit 4 Pt1000 sensors (2 x FKP6, 2 x FRP6)

    Resol
    $0.00 - $0.00
    $0.00
    $473.35
    $473.35 - $473.35
    $473.35
    Low stock

    SKU 115 003 43

    DeltaSol® SL Solar controller With its versatile software, the DeltaSol® SL can control even complex systems easily and reliably. 27 pre-configured...

    View full details
    $0.00 - $0.00
    $0.00
    $473.35
    $473.35 - $473.35
    $473.35

  • ComboMax Electric Boiler with Instantaneous Domestic 50gal 7.5k

    Thermo2000
    $0.00 - $0.00
    $0.00
    $4,990.77
    $4,990.77 - $4,990.77
    $4,990.77
    In stock

    SKU COMBOMAX 50-7.5

    Get the best of both world This item ships from factory The ComboMax ULTRA is an electric boiler combined with an instantaneous water heater for r...

    View full details
    $0.00 - $0.00
    $0.00
    $4,990.77
    $4,990.77 - $4,990.77
    $4,990.77

  • PressCal PRV ASSE 1003, 3/4" Press

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $139.91
    $139.91 - $139.91
    $139.91
    In stock

    SKU 535650HA

    Pressure reducing valve (press)Pressure reducing valve for residential and commercial applications.UV protective cover included.Front and back set...

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    $0.00 - $0.00
    $0.00
    $139.91
    $139.91 - $139.91
    $139.91

  • XF Magnetic Strainer 1" press union

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $320.07
    $320.07 - $320.07
    $320.07
    In stock

    SKU 577666A

    Semi-automatic self-cleaning magnetic filter.  Adjustable for horizontal and vertical pipes. Drain cock with hose connection. Connection: G 3/4"...

    View full details
    $0.00 - $0.00
    $0.00
    $320.07
    $320.07 - $320.07
    $320.07

  • Viessmann 13.25 gallon volume expansion tank with mounting hardware for solar closed loop systems

    Viessmann
    $0.00 - $0.00
    $0.00
    $617.07
    $617.07 - $617.07
    $617.07
    In stock

    SKU 7248 244

    $0.00 - $0.00
    $0.00
    $617.07
    $617.07 - $617.07
    $617.07

  • Rheem RTG-3 Series Mid-Efficiency Outdoor 199K BTU Natural Gas

    Rheem Sales Company Inc
    $1,304.62 - $1,304.62
    $1,304.62
    $1,304.62 - $1,304.62
    $1,304.62
    In stock

    SKU RTG-95XLN-3

    Easy Installation • Industry Leading! 43' vent run capability • Enhanced design up to 10% smaller to fit in even more places than before • Enhanced...

    View full details
    $1,304.62 - $1,304.62
    $1,304.62
    $1,304.62 - $1,304.62
    $1,304.62

  • Watts Radiant Compression Fitting O-Rings, 1/2" (10 pack)

    Watts Radiant, Inc
    $0.00 - $0.00
    $0.00
    $7.49
    $7.49 - $7.49
    $7.49
    In stock

    SKU 81010652

    $0.00 - $0.00
    $0.00
    $7.49
    $7.49 - $7.49
    $7.49

  • PACKAGE OF HEMP (6g)

    Viessmann
    $0.00 - $0.00
    $0.00
    $5.93
    $5.93 - $5.93
    $5.93
    In stock

    SKU 7134 762

    $0.00 - $0.00
    $0.00
    $5.93
    $5.93 - $5.93
    $5.93

  • Flexcon 2.1 gallon Domestic Tank 3/4" MNPT

    Flexcon
    $0.00 - $0.00
    $0.00
    $84.07
    $84.07 - $84.07
    $84.07
    In stock

    SKU PH-5

    Flex 2 Pro PH potable water expansion tanks are designed to maintain safe pressure in domestic water systems that utilize a back flow preventer or ...

    View full details
    $0.00 - $0.00
    $0.00
    $84.07
    $84.07 - $84.07
    $84.07

  • Flexcon 4.8 gallon Domestic Tank 3/4" MNPT

    Flexcon
    $0.00 - $0.00
    $0.00
    $120.29
    $120.29 - $120.29
    $120.29
    In stock

    SKU PH-12

    Flex 2 Pro PH potable water expansion tanks are designed to maintain safe pressure in domestic water systems that utilize a back flow preventer or ...

    View full details
    $0.00 - $0.00
    $0.00
    $120.29
    $120.29 - $120.29
    $120.29

  • Flexcon 20.0 gallon Hydronic Tank 1" FNPT

    Flexcon
    $0.00 - $0.00
    $0.00
    $496.67
    $496.67 - $496.67
    $496.67
    In stock

    SKU SXHT-40

    HTX and SXHT series are designed to relieve pressure build-up in forced hot water heating systems. Both tank lines’ diaphragms are oversized, which...

    View full details
    $0.00 - $0.00
    $0.00
    $496.67
    $496.67 - $496.67
    $496.67
  • Sold out

    Dianorm/Purmo Double x 36" x 36" Radiator

    Dianorm
    $617.07 - $617.07
    $617.07
    $617.07 - $617.07
    $617.07
    Out of stock

    SKU 23636

    36" x 36" DiaNorm Double Dianorm/Purmo  has produced millions of radiators made of high quality 1.25 mm FePO1 steel. The finish is epoxy pow...

    View full details
    $617.07 - $617.07
    $617.07
    $617.07 - $617.07
    $617.07
    Sold out

  • FET Remote control single zone remote control

    Stiebel Eltron
    $129.00 - $129.00
    $129.00
    $129.00 - $129.00
    $129.00
    In stock

    SKU 234723

    $129.00 - $129.00
    $129.00
    $129.00 - $129.00
    $129.00

  • Caleffi 1" Press copper tail piece w/ 1" union nut & washer

    Caleffi North America, Inc
    $0.00 - $0.00
    $0.00
    $48.98
    $48.98 - $48.98
    $48.98
    In stock

    SKU NA20666

    $0.00 - $0.00
    $0.00
    $48.98
    $48.98 - $48.98
    $48.98

  • Watts Radiant Adapter, 5/8" Compression x 3/4" Female Sweat

    Watts Radiant, Inc
    $0.00 - $0.00
    $0.00
    $16.32
    $16.32 - $16.32
    $16.32
    In stock

    SKU 81008102

    $0.00 - $0.00
    $0.00
    $16.32
    $16.32 - $16.32
    $16.32
  • Sold out

    Red-White 1/2" sweat brass in-line spring check valve

    TanklessWaterHeaters
    $12.09 - $12.09
    $12.09
    $12.09 - $12.09
    $12.09
    Out of stock

    SKU 23304

    $12.09 - $12.09
    $12.09
    $12.09 - $12.09
    $12.09
    Sold out