"Uncover warm possibilities" with Williamson-Thermoflo's GWA Gas Water Atmospheric boiler. The highly efficient GWA-140-N-T-S2 pumps out 140,000 BTUs with an AFUE (annual fuel utilization efficiency) rating of 82.5 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.
GWA boilers are factory tested, ensuring reliability and properly functioning equipment.
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.
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