Brand Name
BTU Input
BTU Output
Material
AFUE
Voltage
|◀ 37 - 48 of 156 ▶|
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Features:
  • Low water cut-off included
  • Inferred heat program providing automatic adjustment of boiler water temperature to match demand
  • Spark (intermittent) pilot system
  • Control module with indicator lights
  • One-piece access door
  • All controls in easy reach
  • Flue baffles
  • Stainless steel burners
  • Automatic vent damper
  • Cast iron sections with built-in air separator
  • Insulated heavy-gauge steel jacket

    williamson -thermoflo gwa-200-n-t-s3-w

  • Item#:
    GWA-200-N-T-S3-W
    Manufacturer Item:
    GWA-200-N-T-S3-W
    Manufacturer:
    WILLIAMSON -THERMOFLO
    Features:
  • Low water cut-off included
  • Inferred heat program providing automatic adjustment of boiler water temperature to match demand
  • Spark (intermittent) pilot system
  • Control module with indicator lights
  • One-piece access door
  • All controls in easy reach
  • Flue baffles
  • Stainless steel burners
  • Automatic vent damper
  • Cast iron sections with built-in air separator
  • Insulated heavy-gauge steel jacket

    Williamson -Thermoflo GWA-166-L-T-S3-W

  • Item#:
    GWA-166-N-T-S3-W
    Manufacturer Item:
    GWA-166-N-T-S3-W
    Manufacturer:
    WILLIAMSON -THERMOFLO
    Features:
  • Low water cut-off included
  • Inferred heat program providing automatic adjustment of boiler water temperature to match demand
  • Spark (intermittent) pilot system
  • Control module with indicator lights
  • One-piece access door
  • All controls in easy reach
  • Flue baffles
  • Stainless steel burners
  • Automatic vent damper
  • Cast iron sections with built-in air separator
  • Insulated heavy-gauge steel jacket

    williamson -thermoflo gwa-133-n-t-s3-w

  • Item#:
    GWA-133-N-T-S3-W
    Manufacturer Item:
    GWA-133-N-T-S3-W
    Manufacturer:
    WILLIAMSON -THERMOFLO
    Features:
  • Low water cut-off included
  • Inferred heat program providing automatic adjustment of boiler water temperature to match demand
  • Spark (intermittent) pilot system
  • Control module with indicator lights
  • One-piece access door
  • All controls in easy reach
  • Flue baffles
  • Stainless steel burners
  • Automatic vent damper
  • Cast iron sections with built-in air separator
  • Insulated heavy-gauge steel jacket

    williamson -thermoflo gwa-100-n-t-s3-w

  • Item#:
    GWA-100-N-T-S3-W
    Manufacturer Item:
    GWA-100-N-T-S3-W
    Manufacturer:
    WILLIAMSON -THERMOFLO
    Features:
  • Low water cut-off included
  • Inferred heat program providing automatic adjustment of boiler water temperature to match demand
  • Spark (intermittent) pilot system
  • Control module with indicator lights
  • One-piece access door
  • All controls in easy reach
  • Flue baffles
  • Stainless steel burners
  • Automatic vent damper
  • Cast iron sections with built-in air separator
  • Insulated heavy-gauge steel jacket

    williamson -thermoflo gwa-067-n-t-s3-w

  • Item#:
    GWA-067-N-T-S3-W
    Manufacturer Item:
    GWA-067-N-T-S3-W
    Manufacturer:
    WILLIAMSON -THERMOFLO
    Features:
  • Low water cut-off included
  • Inferred heat program providing automatic adjustment of boiler water temperature to match demand
  • Spark (intermittent) pilot system
  • Control module with indicator lights
  • One-piece access door
  • All controls in easy reach
  • Flue baffles
  • Stainless steel burners
  • Automatic vent damper
  • Cast iron sections with built-in air separator
  • Insulated heavy-gauge steel jacket

    Williamson -Thermoflo GSA-238-N-IP-S2

  • Item#:
    GWA-038-N-T-S3-W
    Manufacturer Item:
    GWA-038-N-T-S3-W
    Manufacturer:
    WILLIAMSON -THERMOFLO
  • Factory tested
  • Easy service - 1-piece access door, all controls in easy reac
  • High efficiency - generous heating surface, automatic vent damper
  • Rugged construction for long life, stainless steel burners, integral cast iron legs, integral draft diverter, insulated heavy gauge steel jacket, heavy gauge aluminized steel flue collector
  • 24 VAC combination gas valve
  • Gauge glass and guard assembly
  • Pressure gauge and siphon assembly
  • Pressure limit control
  • Probe low water cut-off
  • High temperature limit control
  • 15 psig ASME relief valve
  • Drain valve
  • Spark ignited (intermittent) pilot system, electronic ignition/flame supervisory control
  • 10 years limited warranty on boiler sections, 1 year limited warranty on parts

    Williamson -Thermoflo GSA-175-N-IP-S2

  • Item#:
    GSA-200-N-IP-S2
    Manufacturer Item:
    GSA-200-N-IP-S2
    Manufacturer:
    WILLIAMSON -THERMOFLO
  • Factory tested
  • Easy service - 1-piece access door, all controls in easy reac
  • High efficiency - generous heating surface, automatic vent damper
  • Rugged construction for long life, stainless steel burners, integral cast iron legs, integral draft diverter, insulated heavy gauge steel jacket, heavy gauge aluminized steel flue collector
  • 24 VAC combination gas valve
  • Gauge glass and guard assembly
  • Pressure gauge and siphon assembly
  • Pressure limit control
  • Probe low water cut-off
  • High temperature limit control
  • 15 psig ASME relief valve
  • Drain valve
  • Spark ignited (intermittent) pilot system, electronic ignition/flame supervisory control
  • 10 years limited warranty on boiler sections, 1 year limited warranty on parts

    Williamson -Thermoflo GSA-150-N-IP-S2

  • Item#:
    GSA-175-N-IP-S2
    Manufacturer Item:
    GSA-175-N-IP-S2
    Manufacturer:
    WILLIAMSON -THERMOFLO
  • Factory tested
  • Easy service - 1-piece access door, all controls in easy reac
  • High efficiency - generous heating surface, automatic vent damper
  • Rugged construction for long life, stainless steel burners, integral cast iron legs, integral draft diverter, insulated heavy gauge steel jacket, heavy gauge aluminized steel flue collector
  • 24 VAC combination gas valve
  • Gauge glass and guard assembly
  • Pressure gauge and siphon assembly
  • Pressure limit control
  • Probe low water cut-off
  • High temperature limit control
  • 15 psig ASME relief valve
  • Drain valve
  • Spark ignited (intermittent) pilot system, electronic ignition/flame supervisory control
  • 10 years limited warranty on boiler sections, 1 year limited warranty on parts

    Williamson -Thermoflo GSA-100-N-IP-S2

  • Item#:
    GSA-150-N-IP-S2
    Manufacturer Item:
    GSA-150-N-IP-S2
    Manufacturer:
    WILLIAMSON -THERMOFLO
  • Factory tested
  • Easy service - 1-piece access door, all controls in easy reac
  • High efficiency - generous heating surface, automatic vent damper
  • Rugged construction for long life, stainless steel burners, integral cast iron legs, integral draft diverter, insulated heavy gauge steel jacket, heavy gauge aluminized steel flue collector
  • 24 VAC combination gas valve
  • Gauge glass and guard assembly
  • Pressure gauge and siphon assembly
  • Pressure limit control
  • Probe low water cut-off
  • High temperature limit control
  • 15 psig ASME relief valve
  • Drain valve
  • Spark ignited (intermittent) pilot system, electronic ignition/flame supervisory control
  • 10 years limited warranty on boiler sections, 1 year limited warranty on parts

    williamson -thermoflo gsa-125-n-ip-s2

  • Item#:
    GSA-125-N-IP-S2
    Manufacturer Item:
    GSA-125-N-IP-S2
    Manufacturer:
    WILLIAMSON -THERMOFLO
  • Factory tested
  • Easy service - 1-piece access door, all controls in easy reac
  • High efficiency - generous heating surface, automatic vent damper
  • Rugged construction for long life, stainless steel burners, integral cast iron legs, integral draft diverter, insulated heavy gauge steel jacket, heavy gauge aluminized steel flue collector
  • 24 VAC combination gas valve
  • Gauge glass and guard assembly
  • Pressure gauge and siphon assembly
  • Pressure limit control
  • Probe low water cut-off
  • High temperature limit control
  • 15 psig ASME relief valve
  • Drain valve
  • Spark ignited (intermittent) pilot system, electronic ignition/flame supervisory control
  • 10 years limited warranty on boiler sections, 1 year limited warranty on parts

    Weil-McLain Heating Parts 321811125

  • Item#:
    GSA-100-N-IP-S2
    Manufacturer Item:
    GSA-100-N-IP-S2
    Manufacturer:
    WILLIAMSON -THERMOFLO
  • Factory tested
  • Easy service - 1-piece access door, all controls in easy reac
  • High efficiency - generous heating surface, automatic vent damper
  • Rugged construction for long life, stainless steel burners, integral cast iron legs, integral draft diverter, insulated heavy gauge steel jacket, heavy gauge aluminized steel flue collector
  • 24 VAC combination gas valve
  • Gauge glass and guard assembly
  • Pressure gauge and siphon assembly
  • Pressure limit control
  • Probe low water cut-off
  • High temperature limit control
  • 15 psig ASME relief valve
  • Drain valve
  • Spark ignited (intermittent) pilot system, electronic ignition/flame supervisory control
  • 10 years limited warranty on boiler sections, 1 year limited warranty on parts

    Williamson -Thermoflo GSA-075-N-IP-S2

  • Item#:
    GSA-075-N-IP-S2
    Manufacturer Item:
    GSA-075-N-IP-S2
    Manufacturer:
    WILLIAMSON -THERMOFLO
    |◀ 37 - 48 of 156 ▶|
    View: