GSA - Gas Steam Atmospheric

GSA - Gas Steam Atmospheric

  • Easy Service - One-piece access door, all controls in easy reach
  • High Efficiency - Generous heating surface, automatic vent damper
  • Stainless steel burners
  • 10-Year warranty on boiler sections

Additional Information

Efficiency Rating Chart: 
Model A.G.A. Input (MBH) Natural Gas Standing Pilot* LP Gas Standing Pilot* Natural Gas Intermittent Pilot* Net AHRI Ratings (MBH) Min. Chimney Size Shipping Weight
GSA-075 75 81.0 82.9 83.0 47 5" x 20' 410
GSA-100 100 81.3 82.5 82.9 62 5" x 20' 410
GSA-125 125 81.5 83.2 82.9 78 6" x 20' 500
GSA-150 150 81.6 83.0 82.9 94 6" x 20' 500
GSA-175 175 81.9 83.7 82.8 109 7" x 20' 590
GSA-200 200 81.9 83.5 82.8 125 7" x 20' 590
GSA-250 250 82.0 82.8 83.0 157 8" x 20' 680
GSA-300 300 NA NA NA 180 8" x 20' 800

*DOE Seasonal Efficiency % A.F.U.E.