| AFUE Rating | : | 84 % |
| BTU Rating | : | 133000 Btu/hr |
| Capacity | : | 2.7 gal |
| Chimney/Breeching/Vent Size | : | 6 in ID x 20 in L |
| Connection Type | : | NPT |
| DOE Heating Capacity | : | 113000 Btu/hr |
| Dimensions | : | 57-7/8 in H x 25 in W x 23-1/4 in D |
| Domestic/Import | : | Domestic |
| Flue Diameter | : | 6 in |
| Frequency Rating | : | 60 Hz |
| Fuel Type | : | Natural Gas |
| Ignition Type | : | Electronic Spark |
| Material | : | Cast-Iron/Stainless Steel |
| Model | : | GWA-133 |
| Net BTU Rating | : | 98000 Btu/hr |
| Phase | : | 1 ph |
| Power Rating | : | 40 VA |
| Pressure Rating | : | 30 psig |
| Series | : | 3 Series |
| Vent Type | : | Atmospheric |
| Voltage Rating | : | 24/120 VAC |
Williamson Gas Fired Water Boiler, 3 Series, Model: GWA-133, 24/120 VAC, 40 VA Power, 60 Hz Frequency, 1 ph, 84 % AFUE, 133000 Btu/hr BTU, 2.7 gal Capacity, 30 psig Pressure, NPT Connection, Natural Gas Fuel, Atmospheric Vent, Chimney/Breeching/Vent Size: 6 in ID x 20 in L, 113000 Btu/hr DOE Heating, 6 in Diameter Flue, Electronic Spark Ignition, Net BTU Rating: 98000 Btu/hr, Cast-Iron/Stainless Steel, Dimensions: 57-7/8 in H x 25 in W x 23-1/4 in D, Domestic/Import: Domestic
- Factory tested
- Easy service
- One-piece access door, all controls in easy reach
- Insulated heavy-gauge steel jacket
- Cast iron sections with built-in air separator
- Vertical draft hood
- Electrical junction box
- 24 VAC combination gas valve
- Combination relay receptacle and 40 VA transformer and plug-in circulator relay
- Taco 007 circulator
- Stainless steel burner
- High-temperature limit control
- Automatic vent damper
- 30 psig ASME relief valve
- Combination pressure/temperature gauge
- Spark ignited (intermittent) pilot system
- Electronic ignition/flame supervisory control
- Low water cut-off included for field installation