"Uncover warm possibilities" with Williamson-Thermoflo's GSA gas fired steam boiler.

The Efficient GSA-175-N-IP pumps out 175,000 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. This factory-packaged boiler is equipped with many features, such as a spark (intermittent) pilot system, cast-iron sections, and an insulated heavy-gauge steel jacket. The GSA is also easily serviced with all controls in reach and a one-piece access door.

Features:

Factory Tested: Every single GSA boiler is factory tested, ensuring reliability and properly functioning equipment.
Factory Packaged: GSA boilers are factory packaged meaning that the boiler comes to you with cast iron sections and the boiler assembled and ready for installation.
Easy Service: Service is simple with a one-piece access door and easily accessible controls

Specs:

Input (Btuh): 200,000
Heating Capacity: (Btuh) 166,000
Sq. Ft. steam: 521
Steam BTUH: 125,000
AFUE 82.0 % (1)

Downloads:

Brochure

Boiler Manual

Users Manual