| AFUE Rating | : | 84 % |
| BTU Rating | : | 190000 Btu/hr |
| Capacity | : | 3.8 gal |
| Chimney/Breeching/Vent Size | : | 6 in |
| Connection Type | : | NPT |
| DOE Heating Capacity | : | 162000 Btu/hr |
| Dimensions | : | 28-3/8 in H x 31 in W x 23-1/4 in D |
| Domestic/Import | : | Domestic |
| Flue Diameter | : | 3 in |
| Fuel Type | : | Natural Gas |
| Ignition Type | : | Electronic Spark |
| Material | : | Cast-Iron/Stainless Steel |
| Model | : | GWI-190 |
| Net BTU Rating | : | 140000 Btu/hr |
| Pressure Rating | : | 30 psig |
| Series | : | 3 Series |
| Vent Type | : | Atmospheric |
| Voltage Rating | : | 24/120 VAC |
Williamson Induced Draft Gas Fired Water Boiler, 3 Series, Model: GWI-190, 24/120 VAC, 84 % AFUE, 190000 Btu/hr BTU, 3.8 gal Capacity, 30 psig Pressure, NPT Connection, Natural Gas Fuel, Atmospheric Vent, Chimney/Breeching/Vent Size: 6 in, 162000 Btu/hr DOE Heating, 3 in Diameter Flue, Electronic Spark Ignition, Net BTU Rating: 140000 Btu/hr, Cast-Iron/Stainless Steel, Dimensions: 28-3/8 in H x 31 in W x 23-1/4 in D, Domestic/Import: Domestic
- Induced draft design allows sidewall or chimney venting
- High-efficiency
- Spark ignited pilot with electronic control
- Compact design
- Factory tested
- Easy service
- One-piece access door, all controls in easy reach
- Color-coded wiring
- Cast iron sections with built-in air separator
- Insulated heavy-gauge steel jacket
- Low water cut-off
- Air pressure switch
- Stainless steel burner
- Electrical junction box, 24 VAC combination gas valve
- Boiler control module with indicator lights
- Taco 007 circulator
- High-temperature limit control
- 30 psig ASME relief valve
- Electronic ignition/flame supervisory control
- Spark ignited (intermittent) pilot system