Williamson GSA-100-N-IP-S2. 100K BTU, Natural Gas ...
'Uncover warm possibilities' with Williamson-Thermoflo's GSA gas fired steam boiler. The Efficient GSA-100-N-IP-S2, pumps out 100,000 BTUs with an AFUE (annual fuel utilization efficiency) rating of 82.0 percent. The GSA is also designed with a generous heating surface and an automatic vent damper to maintain that efficiency.
Get Price