Williamson-Thermoflo GSA-250NI Spark Ignition Cast Iron Steam Gas Boiler 83% - 250,000 BTU

GSA-250NI by Williamson-Thermoflow a division of Weil-McLain

The Williamson Thermoflow GSA-250NI, 250,000 BTU steam gas fired boiler is a packaged unit that is ready to install. It is designed and made for the residential steam type applications. The GSA series boiler is available in six different sizes and is available in natural or propane gas. With efficiency levels of up to 83% you can be assured that your investment will save you money on your future gas bills. Unlike other steam boilers that are knock-down (require assembly on the job site) the GSA series boiler is packaged and ready to install. This means less installation labor hours and more savings in your pocket.

Product Features

• Atmospheric (chimney) venting
• Factory Packaged
• Factory Tested
• Automatic vent damper
• Cast iron sections
• VAC combination gas valve
• Gauge glass and guard assembly
• Pressure gauge and siphon assembly
• Pressure limit control
• Probe low water cutoff
• High temperature limit control
• Automatic vent damper
• 15 PSIG ASME relief valve
• Constant-burning pilot system
• Thermally-supervised
• Drain valve
  
  Since the GSA series boilers are rugged constructed which include: integral cast iron legs, integral draft diverter, insulated heavy-gauge steel jacket and heavy-gauge aluminized steel flue collector and because of that they are unmatched in durability. A 10-year warranty on boiler sections is provided from the manufacturer.