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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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  • Resol DeltaSol BS Plus - Full Kit w/ 4 Pt1000 Sensors

    Solarnetix, Inc
    Original price $355.24 - Original price $355.24
    Original price
    $355.24
    $355.24 - $355.24
    Current price $355.24
    Low stock

    SKU 115 456 37

    The RESOL controllers for standard solar thermal systems. The DeltaSol® BS series provides a clear operating concept. The intuitive commissioning m...

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    Original price $355.24 - Original price $355.24
    Original price
    $355.24
    $355.24 - $355.24
    Current price $355.24
  • Axiom HydroNode

    Axiom
    Original price $112.88 - Original price $112.88
    Original price
    $112.88
    $112.88 - $112.88
    Current price $112.88
    In stock

    SKU HN-2

    The Axiom introduces the Hydro-NODE, an easy connect bracket designed to mount critical hydronic system components into a convenient central point....

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    Original price $112.88 - Original price $112.88
    Original price
    $112.88
    $112.88 - $112.88
    Current price $112.88
  • SharkBite Water Connector 3/4" X 3/4" FIP, 18"

    Cash Acme
    Original price $15.67 - Original price $15.67
    Original price
    $15.67
    $15.67 - $15.67
    Current price $15.67
    In stock

    SKU U3088FLEX18LF

    Flexible water heater connectors allow you to work in tight spaces and easily connect water heaters with existing pipes that don't line up. Approve...

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    Original price $15.67 - Original price $15.67
    Original price
    $15.67
    $15.67 - $15.67
    Current price $15.67
  • Dianorm Tubing Sleeve

    Dianorm
    Original price $2.92 - Original price $2.92
    Original price
    $2.92
    $2.92 - $2.92
    Current price $2.92
    In stock

    SKU WKL

    Tubing Sleeve The Dianorm Tubing Sleeve gives your installation a clean professional look. 

    Original price $2.92 - Original price $2.92
    Original price
    $2.92
    $2.92 - $2.92
    Current price $2.92
  • Viega Strap On temperature gauge set, 32-250F

    Viega LLC
    Original price $25.00 - Original price $25.00
    Original price
    $25.00
    $25.00 - $25.00
    Current price $25.00
    In stock

    SKU 15055

    For use in Heating, Cooling, and Snow Melt applications Can be soldered Components Gauge, mounting spring, heat transfer paste  

    Original price $25.00 - Original price $25.00
    Original price
    $25.00
    $25.00 - $25.00
    Current price $25.00
  • AUBE THERMSTAT ELECTRIC HEATING LINE 1500 W @ 120V

    TanklessWaterHeaters
    Original price $22.73 - Original price $22.73
    Original price
    $22.73
    $22.73 - $22.73
    Current price $22.73
    In stock

    SKU TH108

    Honeywell (Aube Technologies) Non-Programmable Line Voltage Thermostat with TRIAC for Electric Heat (Convector, Baseboard, Radiant Ceiling) - SPST ...

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    Original price $22.73 - Original price $22.73
    Original price
    $22.73
    $22.73 - $22.73
    Current price $22.73
  • Pro 1 T855i Wifi Enabled Programable 5H/3C Thermostat

    Pro1 IAQ
    Original price $215.44 - Original price $215.44
    Original price
    $215.44
    $215.44 - $215.44
    Current price $215.44
    In stock

    SKU T855ISH

    7 Day or Non-progammable Auto Changeover Easy menu driven programming Intuitive wake, leave, return, sleep programming icons 8 sq. inch d...

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    Original price $215.44 - Original price $215.44
    Original price
    $215.44
    $215.44 - $215.44
    Current price $215.44
  • Pro 1 T700 Platform: T701i Wi-Fi Enabled 1H/1C with 4 sq inch display

    Pro1 IAQ
    Original price $127.49 - Original price $127.49
    Original price
    $127.49
    $127.49 - $127.49
    Current price $127.49
    Out of stock

    SKU T701I

    4 sq. inch display Blue backlight Glow in the dark light button Easy access battery compartment Electric or Gas configurable Seperate h...

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    Original price $127.49 - Original price $127.49
    Original price
    $127.49
    $127.49 - $127.49
    Current price $127.49
    Sold out
  • Pro 1 T600 Platform: Non-programable, 1H/1C with 2sq in display

    Pro1 IAQ
    Original price $60.36 - Original price $60.36
    Original price
    $60.36
    $60.36 - $60.36
    Current price $60.36
    In stock

    SKU T601-2

    2 sq. inch display Blue back light Glow in the dark light button Easy access battery compartment Electric or Gas configurable ...

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    Original price $60.36 - Original price $60.36
    Original price
    $60.36
    $60.36 - $60.36
    Current price $60.36
  • T700 Platform Non Programmable 1H or 1C only with 4sq in display

    Pro1 IAQ
    Original price $68.76 - Original price $68.76
    Original price
    $68.76
    $68.76 - $68.76
    Current price $68.76
    In stock

    SKU T771

    Heat only or Cool only applications Set point range from 25 degrees F to 90 degrees F (low set point is great for garage thermostats) S...

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    Original price $68.76 - Original price $68.76
    Original price
    $68.76
    $68.76 - $68.76
    Current price $68.76
  • Grundfos UPS26-99SF Stainless 3 Speed

    Sun Earth, Inc
    Original price $587.50 - Original price $587.50
    Original price
    $587.50
    $587.50 - $587.50
    Current price $587.50
    In stock

    SKU 98828108

    For use in Heating, Cooling, and Snow Melt applications Stainless Steel 3-speed, direct drive, wet rotor, inline

    Original price $587.50 - Original price $587.50
    Original price
    $587.50
    $587.50 - $587.50
    Current price $587.50
  • UP10-16 PM A BU/LC, 115V, Auto, CV, 1-1/4" NPSM Union, 6' LC

    Grundfos
    Original price $435.44 - Original price $435.44
    Original price
    $435.44
    $435.44 - $435.44
    Current price $435.44
    In stock

    SKU 98420224

    COMFORT 10-16 A PM BU/LC The high-efficiency Grundfos Comfort PM range is a product for domestic hotwater re-circulation with lead free drinking wa...

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    Original price $435.44 - Original price $435.44
    Original price
    $435.44
    $435.44 - $435.44
    Current price $435.44
  • Grundfos Alpha2 26-99F CI 115V

    Grundfos
    Original price $759.88 - Original price $759.88
    Original price
    $759.88
    $759.88 - $759.88
    Current price $759.88
    In stock

    SKU 99490916

    ALPHA2 26-99F The Grundfos ALPHA2 is a medium sized high-efficiency, variable speed circulator fitted with electronically commutated motor. Designe...

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    Original price $759.88 - Original price $759.88
    Original price
    $759.88
    $759.88 - $759.88
    Current price $759.88
  • Grundfos Alpha2 15-55SF SS 115V 1/16Hp

    Grundfos
    Original price $507.59 - Original price $507.59
    Original price
    $507.59
    $507.59 - $507.59
    Current price $507.59
    In stock

    SKU 99163937

    ALPHA2 15-55SF The Grundfos ALPHA2 is a high-efficiency, variable speed circulator fitted with electronically commutated motor. Designed for hot wa...

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    Original price $507.59 - Original price $507.59
    Original price
    $507.59
    $507.59 - $507.59
    Current price $507.59
  • Heat Flo 80-HO Indirect Water Heater

    TanklessWaterHeaters
    Original price $3,420.56 - Original price $3,420.56
    Original price
    $3,420.56
    $3,420.56 - $3,420.56
    Current price $3,420.56
    In stock

    SKU HF-80-HO

    Heat-flo’s high efficiency indirect water heaters are made with quality stainless steel materials that provide excellent heat transfer and a longer...

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    Original price $3,420.56 - Original price $3,420.56
    Original price
    $3,420.56
    $3,420.56 - $3,420.56
    Current price $3,420.56
  • PH25 DV Pipe Cover

    TanklessWaterHeaters
    Original price $100.00 - Original price $100.00
    Original price
    $100.00
    $100.00 - $100.00
    Current price $100.00
    In stock

    SKU 25-00042

    Gives a clean finish Helps to prevent tampering with pipes Provides a convenient way to hide piping For both Indoor and Outdoor models Dimensions...

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    Original price $100.00 - Original price $100.00
    Original price
    $100.00
    $100.00 - $100.00
    Current price $100.00
  • Stiebel Eltron DHC 5-2 Electric Water Heater

    Stiebel Eltron
    Original price $221.37 - Original price $221.37
    Original price
    $221.37
    $221.37 - $221.37
    Current price $221.37
    In stock

    SKU 074054

    Product Info Hot water where you need it Stiebel Eltron DHC Classic tankless water heaters are designed for installation at the point-of-use. T...

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    Original price $221.37 - Original price $221.37
    Original price
    $221.37
    $221.37 - $221.37
    Current price $221.37
  • Stiebel Eltron DHC-E 8/10 Electric water heater

    Stiebel Eltron
    Original price $274.83 - Original price $274.83
    Original price
    $274.83
    $274.83 - $274.83
    Current price $274.83
    In stock

    SKU 224201

    Easy to Size for Any Point-of-Use or Multi-Point of use Application DHC-E can deliver hot water to a single sink, multiple sinks, or in cert...

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    Original price $274.83 - Original price $274.83
    Original price
    $274.83
    $274.83 - $274.83
    Current price $274.83
  • Stiebel Eltron DHC-E 12 Electric tankless water heater

    Stiebel Eltron
    Original price $297.14 - Original price $297.14
    Original price
    $297.14
    $297.14 - $297.14
    Current price $297.14
    In stock

    SKU 230628

    Easy to Size for Any Point-of-Use or Multi-Point of use Application DHC-E can deliver hot water to a single sink, multiple sinks, or in cert...

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    Original price $297.14 - Original price $297.14
    Original price
    $297.14
    $297.14 - $297.14
    Current price $297.14
  • Stiebel Eltron Tempra 24 Trend Electric Water Heater - Replaces Item # 223424

    Stiebel Eltron
    Original price $702.82 - Original price $702.82
    Original price
    $702.82
    $702.82 - $702.82
    Current price $702.82
    In stock

    SKU 239216

    Product Info Unlimited Supply of Hot Water A Stiebel Eltron Tempra® responds directly to your demand for hot water without interruption. Sho...

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    Original price $702.82 - Original price $702.82
    Original price
    $702.82
    $702.82 - $702.82
    Current price $702.82
  • Stiebel Eltron Tempra 20 Trend Electric Water Heater - Replaces Item # 223422

    Stiebel Eltron
    Original price $668.71 - Original price $668.71
    Original price
    $668.71
    $668.71 - $668.71
    Current price $668.71
    In stock

    SKU 239215

    Product Info Unlimited Supply of Hot Water A Stiebel Eltron Tempra® responds directly to your demand for hot water without interruption. Sho...

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    Original price $668.71 - Original price $668.71
    Original price
    $668.71
    $668.71 - $668.71
    Current price $668.71
  • Stiebel Eltron Tempra 12B Electric Water Heater

    Stiebel Eltron
    Original price $414.71 - Original price $414.71
    Original price
    $414.71
    $414.71 - $414.71
    Current price $414.71
    Out of stock

    SKU 223420

    Product Info Saves Energy and Reduces Your Electric Bill. Electric tank type water heaters are subject to standby losses which amount to 15 - 20% o...

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    Original price $414.71 - Original price $414.71
    Original price
    $414.71
    $414.71 - $414.71
    Current price $414.71
    Sold out
  • Stiebel Eltron Tempra 20B Electric Water Heater

    Stiebel Eltron
    Original price $576.47 - Original price $576.47
    Original price
    $576.47
    $576.47 - $576.47
    Current price $576.47
    Low stock

    SKU 223422

    Product Info This unit qualifies for Free Shipping in the lower 48 States FEATURES Unlimited Supply of Hot Water Sleek Design Saves Space Adju...

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    Original price $576.47 - Original price $576.47
    Original price
    $576.47
    $576.47 - $576.47
    Current price $576.47
  • Vitodens 100-W B1HE-85 (8.5-85K BTU)

    Viessmann
    Original price $3,331.58 - Original price $3,331.58
    Original price
    $3,331.58
    $3,331.58 - $3,331.58
    Current price $3,331.58
    In stock

    SKU 7722 772

    The perfect mix of value, quality and performance Vitodens 100-W is a gas-fired wall-mounted condensing boiler with modulating MatriX-Plus cylinder...

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    Original price $3,331.58 - Original price $3,331.58
    Original price
    $3,331.58
    $3,331.58 - $3,331.58
    Current price $3,331.58
  • Vitodens 200-W B2HE-199 (14-199K BTU)

    Viessmann
    Original price $7,994.28 - Original price $7,994.28
    Original price
    $7,994.28
    $7,994.28 - $7,994.28
    Current price $7,994.28
    In stock

    SKU 7722 781

    Advanced technology and performance Meet the newest member of our flagship Vitodens 200-W family! Vitodens 200-W, B2HE is a gas-fired, wall-mounted...

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    Original price $7,994.28 - Original price $7,994.28
    Original price
    $7,994.28
    $7,994.28 - $7,994.28
    Current price $7,994.28
  • Vitodens 200-W B2HE-150 (14-150K BTU)

    Viessmann
    Original price $6,277.13 - Original price $6,277.13
    Original price
    $6,277.13
    $6,277.13 - $6,277.13
    Current price $6,277.13
    In stock

    SKU 7722 780

    Advanced technology and performance Meet the newest member of our flagship Vitodens 200-W family! Vitodens 200-W, B2HE is a gas-fired, wall-mounted...

    View full details
    Original price $6,277.13 - Original price $6,277.13
    Original price
    $6,277.13
    $6,277.13 - $6,277.13
    Current price $6,277.13
  • Vitodens 100-W B1HE-120 (12-120K BTU)

    Viessmann
    Original price $3,594.74 - Original price $3,594.74
    Original price
    $3,594.74
    $3,594.74 - $3,594.74
    Current price $3,594.74
    In stock

    SKU 7722 773

    The perfect mix of value, quality and performance Vitodens 100-W is a gas-fired wall-mounted condensing boiler with modulating MatriX-Plus cylind...

    View full details
    Original price $3,594.74 - Original price $3,594.74
    Original price
    $3,594.74
    $3,594.74 - $3,594.74
    Current price $3,594.74
  • Vitodens 200-W B2HE-85 (8.5-85K BTU)

    Viessmann
    Original price $5,240.48 - Original price $5,240.48
    Original price
    $5,240.48
    $5,240.48 - $5,240.48
    Current price $5,240.48
    In stock

    SKU 7722 778

    Advanced technology and performance Meet the newest member of our flagship Vitodens 200-W family! Vitodens 200-W, B2HE is a gas-fired, wall-mounted...

    View full details
    Original price $5,240.48 - Original price $5,240.48
    Original price
    $5,240.48
    $5,240.48 - $5,240.48
    Current price $5,240.48
  • Vitodens 200-W B2HE-120 (8.5-120K BTU)

    Viessmann
    Original price $5,416.50 - Original price $5,416.50
    Original price
    $5,416.50
    $5,416.50 - $5,416.50
    Current price $5,416.50
    In stock

    SKU 7722 779

    Advanced technology and performance Meet the newest member of our flagship Vitodens 200-W family! Vitodens 200-W, B2HE is a gas-fired, wall-mounted...

    View full details
    Original price $5,416.50 - Original price $5,416.50
    Original price
    $5,416.50
    $5,416.50 - $5,416.50
    Current price $5,416.50
  • Vitodens 100-W Combi B1KE-199 (19.9-199K BTU)

    Viessmann
    Original price $4,822.81 - Original price $4,822.81
    Original price
    $4,822.81
    $4,822.81 - $4,822.81
    Current price $4,822.81
    In stock

    SKU 7722 777

    The perfect mix of value, quality and performance Vitodens 100-W is a gas-fired wall-mounted condensing boiler with modulating MatriX-Plus cylinder...

    View full details
    Original price $4,822.81 - Original price $4,822.81
    Original price
    $4,822.81
    $4,822.81 - $4,822.81
    Current price $4,822.81
  • Vitodens 100-W Combi B1KE-120 (12-120K BTU)

    Viessmann
    Original price $4,033.33 - Original price $4,033.33
    Original price
    $4,033.33
    $4,033.33 - $4,033.33
    Current price $4,033.33
    In stock

    SKU 7722 776

    The perfect mix of value, quality and performance Vitodens 100-W is a gas-fired wall-mounted condensing boiler with modulating MatriX-Plus cylinder...

    View full details
    Original price $4,033.33 - Original price $4,033.33
    Original price
    $4,033.33
    $4,033.33 - $4,033.33
    Current price $4,033.33
  • Vitodens 100-W B1HE-199 (19.9-199K BTU)

    Viessmann
    Original price $4,559.65 - Original price $4,559.65
    Original price
    $4,559.65
    $4,559.65 - $4,559.65
    Current price $4,559.65
    In stock

    SKU 7722 775

    The perfect mix of value, quality and performance Vitodens 100-W is a gas-fired wall-mounted condensing boiler with modulating MatriX-Plus cylinde...

    View full details
    Original price $4,559.65 - Original price $4,559.65
    Original price
    $4,559.65
    $4,559.65 - $4,559.65
    Current price $4,559.65
  • Zilmet 13.2 Gal Solar Plus Tank 3/4" NPT Connection

    Zilmet USA
    Original price $322.13 - Original price $322.13
    Original price
    $322.13
    $322.13 - $322.13
    Current price $322.13
    In stock

    SKU ZSP50

    SOLAR-PLUS: in the solar circuit, the particularly high temperature requires heat relief. The solar liquid reaches temperatures higher than 392°F. ...

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    Original price $322.13 - Original price $322.13
    Original price
    $322.13
    $322.13 - $322.13
    Current price $322.13
  • Caleffi segment C ring for 3/4" solar flex - Discontinued 2018

    Caleffi
    Original price $3.73 - Original price $3.73
    Original price
    $3.73
    $3.73 - $3.73
    Current price $3.73
    In stock

    SKU NA12113

    Original price $3.73 - Original price $3.73
    Original price
    $3.73
    $3.73 - $3.73
    Current price $3.73
  • Caleffi segment C ring for 1/2" solar flex - Discontinued 2018

    Caleffi
    Original price $2.44 - Original price $2.44
    Original price
    $2.44
    $2.44 - $2.44
    Current price $2.44
    In stock

    SKU NA12112

    Original price $2.44 - Original price $2.44
    Original price
    $2.44
    $2.44 - $2.44
    Current price $2.44
  • Axiom Digital Mini Feeder - 4.5USG, 0-45PSI

    Axiom
    Original price $708.57 - Original price $708.57
    Original price
    $708.57
    $708.57 - $708.57
    Current price $708.57
    In stock

    SKU DMF-150

    17 litre (4.6 US gallon) tank for storage and mixing All features shown on user friendly digital display screen 0-45psig Pressure Setpoint with ad...

    View full details
    Original price $708.57 - Original price $708.57
    Original price
    $708.57
    $708.57 - $708.57
    Current price $708.57