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  • CGA-4 - 77,000 BTU Output Boiler, Spark Ignition (Nat Gas) - Series 2 Product Image
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    CGA-4 - 77,000 BTU Output Boiler, Spark Ignition (Nat Gas) - Series 2 381-357-804 CGA-4 - 77,000 BTU Output Boiler, Spark Ignition (Nat Gas) - Series 2
    SKU: 381-357-804
    Brand: Weil-McLain
    (16)
    $1,935.23 each
    19
    Mon, Oct 5 – Wed, Oct 7
    19
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    19 Mon, Oct 5 – Wed, Oct 7
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  • WTGO-3 100,000 BTU<br>Gold Oil Boiler<br>w/ Tankless Heater Product Image
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    WTGO-3 100,000 BTU Gold Oil Boiler w/ Tankless Heater 386-700-832 WTGO-3 100,000 BTU Gold Oil Boiler w/ Tankless Heater
    SKU: 386-700-832
    Brand: Weil-McLain
    (10)
    $2,365.99 each
    18
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    18
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    18 Mon, Oct 5 – Wed, Oct 7
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  • WGO-3 100,000 BTU Output Gold Oil Boiler Product Image
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    WGO-3 100,000 BTU Output Gold Oil Boiler 386-700-828 WGO-3 100,000 BTU Output Gold Oil Boiler
    SKU: 386-700-828
    Brand: Weil-McLain
    (13)
    $2,139.99 each
    12
    Mon, Oct 5 – Wed, Oct 7
    12
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    12 Mon, Oct 5 – Wed, Oct 7
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  • GV90+4 84,000 BTU<br>High Efficiency Gas Boiler (NG & LP) Product Image
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    GV90+4 84,000 BTU High Efficiency Gas Boiler (NG & LP) 382-200-611 GV90+4 84,000 BTU High Efficiency Gas Boiler (NG & LP)
    SKU: 382-200-611
    Brand: Weil-McLain
    (13)
    $3,079.99 each
    47
    Mon, Oct 5 – Wed, Oct 7
    47
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    47 Mon, Oct 5 – Wed, Oct 7
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  • CGA-5 - 102,000 BTU Boiler Spark Ignition (NG) - Series 2 Product Image
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    CGA-5 - 102,000 BTU Boiler Spark Ignition (NG) - Series 2 381-357-806 CGA-5 - 102,000 BTU Boiler Spark Ignition (NG) - Series 2
    SKU: 381-357-806
    Brand: Weil-McLain
    (11)
    $2,177.59 each
    9
    Mon, Oct 5 – Wed, Oct 7
    9
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    9 Mon, Oct 5 – Wed, Oct 7
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  • Ultra 155 - 123,000 BTU Output High Efficiency Boiler (Nat Gas or LP) Product Image
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    Ultra 155 - 123,000 BTU Output High Efficiency Boiler (Nat Gas or LP) 383-500-735 Ultra 155 - 123,000 BTU Output High Efficiency Boiler (Nat Gas or LP)
    SKU: 383-500-735
    Brand: Weil-McLain
    $3,149.99 each
    16
    Mon, Oct 5 – Wed, Oct 7
    16
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    16 Mon, Oct 5 – Wed, Oct 7
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  • GV90+5 113,000 BTU<br>High Efficiency Gas Boiler (NG & LP) Product Image
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    GV90+5 113,000 BTU High Efficiency Gas Boiler (NG & LP) 382-200-612 GV90+5 113,000 BTU High Efficiency Gas Boiler (NG & LP)
    SKU: 382-200-612
    Brand: Weil-McLain
    (6)
    $3,520.79 each
    7
    Mon, Oct 5 – Wed, Oct 7
    7
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    7 Mon, Oct 5 – Wed, Oct 7
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  • WGO-2 75,000 BTU<br>Gold Oil Boiler Product Image
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    WGO-2 75,000 BTU Gold Oil Boiler 386-700-827 WGO-2 75,000 BTU Gold Oil Boiler
    SKU: 386-700-827
    Brand: Weil-McLain
    (10)
    $1,698.99 each
    12
    Mon, Oct 5 – Wed, Oct 7
    12
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    12 Mon, Oct 5 – Wed, Oct 7
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  • ECO 155 - 124,000 BTU Output Natural Gas Wall Mount Gas Boiler S2 Product Image
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    ECO 155 - 124,000 BTU Output Natural Gas Wall Mount Gas Boiler S2 383-800-005 ECO 155 - 124,000 BTU Output Natural Gas Wall Mount Gas Boiler S2
    SKU: 383-800-005
    Brand: Weil-McLain
    (2)
    $2,941.45 each
    11
    Mon, Oct 5 – Wed, Oct 7
    11
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    11 Mon, Oct 5 – Wed, Oct 7
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  • Ultra 230 - 183,000 BTU Output High Efficiency Boiler (Nat Gas or LP) Product Image
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    Ultra 230 - 183,000 BTU Output High Efficiency Boiler (Nat Gas or LP) 383-500-736 Ultra 230 - 183,000 BTU Output High Efficiency Boiler (Nat Gas or LP)
    SKU: 383-500-736
    Brand: Weil-McLain
    (9)
    $3,999.99 each
    27
    Mon, Oct 5 – Wed, Oct 7
    27
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    27 Mon, Oct 5 – Wed, Oct 7
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  • WTGO-4 126,000 BTU<br>Gold Oil Boiler<br>w/ Tankless Heater Product Image
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    WTGO-4 126,000 BTU Gold Oil Boiler w/ Tankless Heater 386-700-833 WTGO-4 126,000 BTU Gold Oil Boiler w/ Tankless Heater
    SKU: 386-700-833
    Brand: Weil-McLain
    (5)
    $2,674.72 each
    11
    Mon, Oct 5 – Wed, Oct 7
    11
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    11 Mon, Oct 5 – Wed, Oct 7
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  • CGA-6 - 127,000 BTU Output Boiler, Spark Ignition (Nat Gas) - Series 2 Product Image
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    CGA-6 - 127,000 BTU Output Boiler, Spark Ignition (Nat Gas) - Series 2 381-357-808 CGA-6 - 127,000 BTU Output Boiler, Spark Ignition (Nat Gas) - Series 2
    SKU: 381-357-808
    Brand: Weil-McLain
    (5)
    $2,503.90 each
    5
    Mon, Oct 5 – Wed, Oct 7
    5
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    5 Mon, Oct 5 – Wed, Oct 7
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  • WGO-4 126,000 BTU<br>Gold Oil Boiler Product Image
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    WGO-4 126,000 BTU Gold Oil Boiler 386-700-829 WGO-4 126,000 BTU Gold Oil Boiler
    SKU: 386-700-829
    Brand: Weil-McLain
    (5)
    $2,435.99 each
    12
    Mon, Oct 5 – Wed, Oct 7
    12
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    12 Mon, Oct 5 – Wed, Oct 7
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  • ECO 110 - 88,000 BTU Output Natural Gas Wall Mount Gas Boiler S2 Product Image
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    ECO 110 - 88,000 BTU Output Natural Gas Wall Mount Gas Boiler S2 383-800-004 ECO 110 - 88,000 BTU Output Natural Gas Wall Mount Gas Boiler S2
    SKU: 383-800-004
    Brand: Weil-McLain
    $2,675.35 each
    7
    Mon, Oct 5 – Wed, Oct 7
    7
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    7 Mon, Oct 5 – Wed, Oct 7
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  • CGA-3 - 51,000 BTU Output Boiler, Spark Ignition (Nat Gas) - Series 2 Product Image
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    CGA-3 - 51,000 BTU Output Boiler, Spark Ignition (Nat Gas) - Series 2 381-357-802 CGA-3 - 51,000 BTU Output Boiler, Spark Ignition (Nat Gas) - Series 2
    SKU: 381-357-802
    Brand: Weil-McLain
    (5)
    $1,777.99 each
    1
    Mon, Oct 5 – Wed, Oct 7
    1
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    1 Mon, Oct 5 – Wed, Oct 7
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  • Ultra 105 - 81,000 BTU Output High Efficiency Boiler (Nat Gas or LP) Product Image
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    Ultra 105 - 81,000 BTU Output High Efficiency Boiler (Nat Gas or LP) 383-500-734 Ultra 105 - 81,000 BTU Output High Efficiency Boiler (Nat Gas or LP)
    SKU: 383-500-734
    Brand: Weil-McLain
    (14)
    $2,759.99 each
    6
    Mon, Oct 5 – Wed, Oct 7
    6
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    6 Mon, Oct 5 – Wed, Oct 7
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  • AB-155C AquaBalance Combination Wall Mount Gas Boiler, 125,000 BTU (NG) Product Image
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    AB-155C AquaBalance Combination Wall Mount Gas Boiler, 125,000 BTU (NG) 383-100-050 AB-155C AquaBalance Combination Wall Mount Gas Boiler, 125,000 BTU (NG)
    SKU: 383-100-050
    Brand: Weil-McLain
    $2,149.99 each
    48
    Mon, Oct 5 – Wed, Oct 7
    48
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    48 Mon, Oct 5 – Wed, Oct 7
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  • AB-120C AquaBalance Combination Wall Mount Gas Boiler, 97,000 BTU (NG) Product Image
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    AB-120C AquaBalance Combination Wall Mount Gas Boiler, 97,000 BTU (NG) 383-100-040 AB-120C AquaBalance Combination Wall Mount Gas Boiler, 97,000 BTU (NG)
    SKU: 383-100-040
    Brand: Weil-McLain
    (2)
    $2,089.99 each
    14
    Mon, Oct 5 – Wed, Oct 7
    14
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    14 Mon, Oct 5 – Wed, Oct 7
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  • NRCB199DV 199,000 BTU Combi Boiler (NG) Product Image
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    NRCB199DV 199,000 BTU Combi Boiler (NG) NRCB199DV-NG NRCB199DV 199,000 BTU Combi Boiler (NG)
    SKU: NRCB199DV-NG
    Brand: Noritz
    $2,331.88 each
    8
    Mon, Oct 5 – Wed, Oct 7
    8
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    8 Mon, Oct 5 – Wed, Oct 7
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  • GV90+6 140,000 BTU<br>High Efficiency Gas Boiler (NG & LP) Product Image
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    GV90+6 140,000 BTU High Efficiency Gas Boiler (NG & LP) 382-200-613 GV90+6 140,000 BTU High Efficiency Gas Boiler (NG & LP)
    SKU: 382-200-613
    Brand: Weil-McLain
    (3)
    $3,989.99 each
    11
    Mon, Oct 5 – Wed, Oct 7
    11
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    11 Mon, Oct 5 – Wed, Oct 7
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  • 189,050 BTU Output Mascot FT Wall Mount Fire Tube Heat Only Boiler (NG/LP) Product Image
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    189,050 BTU Output Mascot FT Wall Mount Fire Tube Heat Only Boiler (NG/LP) MFTHW199NA1XN 189,050 BTU Output Mascot FT Wall Mount Fire Tube Heat Only Boiler (NG/LP)
    SKU: MFTHW199NA1XN
    Brand: Laars
    (3)
    $2,068.02 each
    6
    Mon, Oct 5 – Wed, Oct 7
    6
    QtyArrives
    6 Mon, Oct 5 – Wed, Oct 7
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  • 133,000 BTU Output Mascot FT Wall Mount Fire Tube Combi Boiler (NG/LP) Product Image
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    133,000 BTU Output Mascot FT Wall Mount Fire Tube Combi Boiler (NG/LP) MFTCW140NA1XN 133,000 BTU Output Mascot FT Wall Mount Fire Tube Combi Boiler (NG/LP)
    SKU: MFTCW140NA1XN
    Brand: Laars
    (1)
    $2,199.99 each
    4
    Mon, Oct 5 – Wed, Oct 7
    29
    QtyArrives
    4 Mon, Oct 5 – Wed, Oct 7
    25 Wed, Oct 7 – Mon, Oct 12
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  • 189,050 BTU Output Mascot FT Wall Mount Fire Tube Combi Boiler (NG/LP) Product Image
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    189,050 BTU Output Mascot FT Wall Mount Fire Tube Combi Boiler (NG/LP) MFTCW199NA1XN 189,050 BTU Output Mascot FT Wall Mount Fire Tube Combi Boiler (NG/LP)
    SKU: MFTCW199NA1XN
    Brand: Laars
    $2,347.28 each
    4
    Mon, Oct 5 – Wed, Oct 7
    4
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    4 Mon, Oct 5 – Wed, Oct 7
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  • JVS-125 106,000 BTU Output Mini-Therm Gas-Fired Hydronic Boiler (NG) Product Image
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    JVS-125 106,000 BTU Output Mini-Therm Gas-Fired Hydronic Boiler (NG) JVS125NDJ JVS-125 106,000 BTU Output Mini-Therm Gas-Fired Hydronic Boiler (NG)
    SKU: JVS125NDJ
    Brand: Laars
    (1)
    $1,670.77 each
    3
    Mon, Oct 5 – Wed, Oct 7
    4
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    3 Mon, Oct 5 – Wed, Oct 7
    1 Wed, Oct 7 – Mon, Oct 12
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FAQs, Manuals & Videos

Resources

Videos

FAQs

  • High efficiency boilers generally have efficiency ratings over 90%, making them Energy Star approved. These boilers are often modulating and condensing boilers. The modulation feature allows them to operate at different BTU levels depending upon the amount of heat that is required at a given time (as opposed to a traditional boiler that fires at 100% even if only a small amount of heat is required). The condensing property refers to the ability to convert the condensed liquid that is produced by the boiler into energy. By doing so the boiler wastes less energy and is therefore more energy efficient.
  • For replacement boilers, if your previous boiler was sufficient and worked well you can simply replace the existing boiler with a new one that has the same BTU capacity. For boilers that are being installed in new residences you will need to find the BTU requirements by doing a heat loss of your given space. The heat loss will depend on insulation of walls and ceiling, window type and frequency, outdoor temperature, and several other factors. You can click the Rule of Thumb Guide to get a general idea of what you will need, but you should get a detailed heat loss report to know for sure.
  • The top selling brands of boilers are Weil-Mclain and Burnham. However, we have recently begun to sell a large number of the Triangle Tube Solo Boilers.
  • Boilers ship via freight shipping companies, such as Yellow and UPS Freight. When the order ships, we will provide you with the carrier name and tracking number. The boiler will be shipped to your curb. If you need a lift gate on the truck please call to let us know. In general, the freight company will call you to set up a delivery time. If you need a specific delivery time, you may want to call the delivery company once the order ships.
  • SupplyHouse.com honors all manufacturer warranties. If there is any manufacturer defect with the boiler we will replace it upon return, or issue you a credit for the boiler.

Calculators

Articles

  • The Industry's Best Residential Boilers
    As a heating professional, you know the boiler is the most important piece of equipment in any residential heating system. In addition to keeping your client’s home at the ideal temperature, the right boiler will provide it with reliable heating, consistently and affordably for years into the future. SupplyHouse.com has all the best electric, oil and gas boilers for sale to suit unique space requirements, budgets and needs of any residential customer. And with free shipping on orders over $99 plus personalized customer service, we’d make great partners!

    SupplyHouse.com is your resource for electric, propane, oil and natural gas boilers. Equip your clients with the very best and most efficient options by Burnham, Weil-McLain, Slant/Fin, Lochinvar, New Yorker, AO Smith and more. We have one of the industry’s best selections of high-efficiency gas boilers, which are quickly becoming the standard in both boiler replacements and new construction. These cutting-edge models use a gas-fired condensing system to heat your client’s home more efficiently, effectively lowering their utility bills and the home’s carbon footprint. These boilers can bring an Annual Fuel Utilization Efficiency (AFUE) rating of as high as 98 percent!

    Boilers for Every Unique Job
    In addition to efficient gas boilers, we also offer a wide variety of standard gas boilers which will still bring excellent savings and efficiency improvements when replacing old, low-efficiency boilers. Even standard mid-efficiency options can offer an AFUE rating of up to 83 percent, which makes them an economical choice for replacement applications. We also have an impressive selection of oil boilers and electric and wood boilers for your specialty jobs. Oil boilers are commonly used in properties with fuel oil tanks, whereas wood can be used in off-grid areas or when oil and gas options are prohibitively expensive.

    Remember, if you aren’t sure which option is best for your client or job, you can always get in touch with us for expert advice.

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