| AFUE Rating | : | 86.2 % |
| Additional Information | : | 106 MBtu/hr Heating Capacity |
| BTU Rating | : | 140 MBtu/hr |
| Chimney Size | : | 6 in |
| Connection Type | : | NPT |
| Dimensions | : | 35-5/8 in H x 20-1/4 in W x 16-7/8 in D |
| Fuel Type | : | Oil |
| GPH | : | 1 gph |
| Material | : | Iron |
| Model | : | WTGO-4 |
| Net BTU Rating | : | 106 mbh |
| Pressure Rating | : | 50 psig |
| Series | : | 4 Series |
| Vent Type | : | Chimney |
Weil-McLain® Water Boiler, 4 Series, Model: WTGO-4, 86.2 % AFUE Rating, 140 MBtu/hr, 106 mbh Net BTU Rating, 50 psig, NPT Connection, Oil Fuel, Chimney Vent, Chimney Size: 6 in, GPH: 1 gph, Iron, 35-5/8 in H x 20-1/4 in W x 16-7/8 in D, Additional Information: 106 MBtu/hr Heating Capacity
- Oil fired water boiler with cast iron sections
- High capacity/high efficiency tankless heater
- Quick open top and swing away burner door with full chamber access increases visibility for inspection and servicing
- Includes factory wired circulator, service switch and Weil-McLain® exclusive captured elastomer seals for added reliability
- Recessed target wall design protects unit from flue brushes
- Two flue outlets rear and top - for complete venting flexibility