Williamson 202K BTU 82.2% AFUE Hot Water Propane Boiler Chimney Vent

Model: GWA-245-L-T-S2 Item Number: 31050
Williamson-Thermoflo GWA-245-L-T-S2
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Williamson-Thermoflo GWA-245-L-T-S2
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Specification Highlights
    Condition
    New Learn More
    New
    This product is new and has never been used. It's in its original packaging, which has not been opened.
    Weight
    425 Pounds Learn More
    425 Pounds
    Total weight of the product and any included accessory/components. This total is not the shipping weight, as it does not include packing material, which may increase the overall shipping weight of this product.
    Product Line
    GWA
    Medium
    Hot Water
Recommended Accessories
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Required Accessories Add All Required
Installation Accessories
Features
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Features

Overview for Williamson-Thermoflo GWA-245-L-T-S2

"Uncover warm possibilities" with Williamson-Thermoflo's GWA Gas Water Atmospheric boiler. The highly efficient GWA-245-L-T-S2 pumps out 245,000 BTUs with an AFUE (annual fuel utilization efficiency) rating of 82.2 percent. The GWA is also equipped with flue baffles, stainless steel burners, and an automatic vent damper to maintain that efficiency. This factory-packaged boiler has many features; like a spark (intermittent) pilot system, cast-iron sections with built-in air separator, and an insulated heavy-gauge steel jacket. The GWA is also easily serviced with all controls in reach and a one-piece access door. Since it is factory tested and comes with a limited lifetime warranty, you can be absolutely sure that your investment is reliable and built to last.
  • Factory Tested
  • GWA boilers are factory tested, ensuring reliability and properly functioning equipment.
  • Easy Service
  • Service is simple with a one-piece access door and easily accessible controls.
  • Inferred Heat Program
  • GWA is designed with an inferred heat program which provides automatic adjustment of the boiler water temperature to match heating demands.
  • Limited Lifetime Warranty
  • A limited lifetime warranty on the heat exchanger means that you can rest assured that your investment is covered, should there be a problem.
  • Product Includes
  • Taco 007 Circulator Pump
  • 1 1/2 Flange"
  • Specifications
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    Specifications

    General Information
    Product Line
    GWA
    Medium Learn More
    Medium
    Medium refers to the substance that carries heat through the heating system. Systems are either designed to use either Hot Water or Steam as a medium, and components are usually specific to one or the other.
    Hot Water
    Heat Exchanger Material
    Cast Iron
    Fuel Type Learn More
    Fuel Type
    To create heat, some form of fuel is required. Fuel Type specifies what the product uses as an input to create heat.
    Liquid Propane
    Combustion Type Learn More
    Combustion Type
    Condensing appliances use leftover thermal energy from combustion gases to heat water in a secondary heat exchanger, resulting in higher efficiency and lower exhaust temperature.
    Conventional
    Vent Type Learn More
    Vent Type
    Products that use combustion (burning) of fuel to create heat also create potentially dangerous gasses that need to be exhausted (AKA "Vented"). Depending on the product, venting can be done via a chimney, through a side wall, or use a second vent to provide fresh air to the appliance.
    Chimney Vent
    DHW Production Learn More
    DHW Production
    DHW (Domestic Hot Water) is potable water for uses other than space heat. Some boilers are able to provide DHW "out of the box", while others can do so with the purchase of optional accessories.
    No
    Modulating/Staging Learn More
    Modulating/Staging
    Stages are unique speeds or levels that equipment can operate at. More stages allow for better fine-tuned control of output, which improves comfort and efficiency. Modulating equipment can operate across a range of levels, giving the highest level of fine-tuned control.
    Single Stage
    Mount Type
    Floor
    Minimum Altitude
    0 Feet
    Maximum Altitude
    2000 Feet
    Assembly Type
    Packaged
    Includes Pump
    Yes
    Performance
    AFUE Learn More
    AFUE
    AFUE (Annual Fuel Utilization Efficiency) measures the efficiency of combustion equipment over the entire heating season, and is calculated by dividing the amount of energy that is actually heating your home by the total energy contained in the fuel used by the boiler/furnace.
    82 %
    Maximum Input Capacity Learn More
    Maximum Input Capacity
    The Maximum Input Capacity describes how quickly the appliance will use fuel when delivering it's maximum capacity. The units may change depending on the fuel being used.
    245000 BTU
    DOE Heating Capacity Learn More
    DOE Heating Capacity
    Also referred to as Gross Output, this is the output of a boiler after accounting for combustion efficiency. We recommend sizing hot water boilers based on the DOE Heating Capacity.
    202000 BTU
    Net I=B=R Capacity Learn More
    Net I=B=R Capacity
    I=B=R, also referred to as Net Output or AHRI Capacity, is the rated heat output of a boiler after accounting for combustion efficiency, piping loss, and an extra pickup factor. We recommend sizing steam boilers based on the I=B=R rating.
    176000 BTU
    Ultra Low NOx Emissions Learn More
    Ultra Low NOx Emissions
    NOx is a byproduct of the combustion process, and it's output is regulated in some jurisdictions. Many regulators mirror SCAQMD rules, which regulate air quality for some parts of Southern California. Ultra Low NOx appliances emit less than 10-14 ng/J (nanogram per Joule) of NOx.
    No
    Electrical Data
    Phase
    1
    Frequency
    60 Hz
    Dimensions
    Flue Connection Size
    7 Inches
    Gas Connection Size
    1/2 Inch
    Supply Connection
    1 1/4 Inches
    Return Connection
    1 1/4 Inches
    Product Height
    64 7/8 Inches
    Product Width
    34 Inches
    Product Depth
    23 1/4 Inches
    Product Weight
    425 Pounds
    Shipping Weight
    435 Pounds
    Warranty Information
    Parts Warranty Show ACW Parts Warranty Learn More
    Parts Warranty
    A warranty is a safeguard from defects in manufacturing and can vary in length and terms. Some manufacturers require registration for extended warranty benefits, be sure to check out features and the warranty document. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
    1 Year
    Heat Exchanger Warranty
    Lifetime Years
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    Williamson 202K BTU 82.2% AFUE Hot Water Propane Boiler Chimney Vent
    Williamson-Thermoflo GWA-245-L-T-S2
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