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Features
Modulating Combustion 10 to 1 Turndown Ratio
Single Tube Large Diameter
Stainless Steel Heat Exchanger
ASME Heat Exchanger
Digital Display Honeywell Control
3-in-1 Vent Adapter
24 VAC Thermostat Relay
2 or 3 Venting Options
Quiet Operation
Low NOx
Removable Side Panels
Heat Only Models
Outdoor Reset
Combi Models
Flat Plate Heat Exchanger
Domestic Priority
3-Speed Circulator
FS-120-N-C
Item#:
FS-120-N-C
Manufacturer Item:
FS-120-N-C
Manufacturer:
WILLIAMSON -THERMOFLO
Features
Modulating Combustion 10 to 1 Turndown Ratio
Single Tube Large Diameter
Stainless Steel Heat Exchanger
ASME Heat Exchanger
Digital Display Honeywell Control
3-in-1 Vent Adapter
24 VAC Thermostat Relay
2 or 3 Venting Options
Quiet Operation
Low NOx
Removable Side Panels
Heat Only Models
Outdoor Reset
Combi Models
Flat Plate Heat Exchanger
Domestic Priority
3-Speed Circulator
FS-80-N-C
Item#:
FS-80-N-C
Manufacturer Item:
FS-80-N-C
Manufacturer:
WILLIAMSON -THERMOFLO
Sid Harvey F12-1 Boiler Neutralizer Kit (Clear Tube),
,
,
F12-1
F12-1
Item#:
F12-1
Manufacturer Item:
F12-1
Manufacturer:
MITCO MFG.
Sid Harvey F11-1 Condensate Neutralizer Kit for Condensing Furnaces and Boilers
,
,
Sid Harvey F11-1
Sid Harvey F11-1
Item#:
F11-1
Manufacturer Item:
F11-1
Manufacturer:
MITCO MFG.
Item#:
GWA-133-L-T-S3-W
Manufacturer Item:
GWA-133-L-T-S3-W
Manufacturer:
WILLIAMSON -THERMOFLO
GSA-125-N-IP
Item#:
GSA-125-N-IP
Manufacturer Item:
GSA-125-N-IP
Manufacturer:
WILLIAMSON -THERMOFLO
Item#:
GSA-238-N-IP-S2
Manufacturer Item:
GSA-238-N-IP-S2
Manufacturer:
WILLIAMSON -THERMOFLO
Item#:
GWA-166-L-T-S3-W
Manufacturer Item:
GWA-166-L-T-S3-W
Manufacturer:
WILLIAMSON -THERMOFLO
Williamsom-Thermoflo GWA-100-L-T-S3-W Natural Gas Fired Cast Iron Water Boiler 100K BTU Input 84%
- Natural or Propane
- Factory tested
- Easy service
- One-piece access door
- All controls in easy reach
- Cast iron sections with built-in air separator
- Insulated heavy-gauge steel jacket
- Low water cut-off
Williamson -Thermoflo GWA-100-L-T-S3-W
Item#:
GWA-100-L-T-S3-W
Manufacturer Item:
GWA-100-L-T-S3-W
Manufacturer:
WILLIAMSON -THERMOFLO
Item#:
GWA-233-N-T-S3-W
Manufacturer Item:
GWA-233-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
GWA-140-N-T-S2-W
Item#:
GWA-140-N-T-S2-W
Manufacturer Item:
GWA-140-N-T-S2-W
Manufacturer:
WILLIAMSON -THERMOFLO
Bosch KBR35-3 Wall Hung Boiler Heat Only 95% 132K BTU,
,
,
KBR35-3
KBR35-3
Item#:
KBR35-3
Manufacturer Item:
7733600080
Manufacturer:
BOSCH THERMOTECHNOLOGY CORP
