| AFUE Rating | : | 96.5 % |
| BTU Rating | : | 399000 Btu/hr |
| Capacity | : | 6.7 gal |
| Chimney/Breeching/Vent Size | : | 4 in Dia x 100 ft L |
| Connection Type | : | 3/4 in Gas, 1-1/2 in NPT Supply/Return |
| Dimensions | : | 45 in H x 26-1/2 in W x 22-3/4 in D |
| Fuel Type | : | Natural Gas |
| Material | : | Cast-Iron |
| Model | : | EVG-399 |
| Net BTU Rating | : | 333000 Btu/hr |
| Series | : | EVG Series |
| Vent Type | : | Direct Exhaust |
Weil-McLain® Gas Fired Water Boiler, EVG Series, Model: EVG-399, 96.5 % AFUE, 399000 Btu/hr BTU, 6.7 gal Capacity, 3/4 in Gas, 1-1/2 in NPT Supply/Return Connection, Natural Gas Fuel, Direct Exhaust Vent, Chimney/Breeching/Vent Size: 4 in Dia x 100 ft L, Net BTU Rating: 333000 Btu/hr, Cast-Iron, Dimensions: 45 in H x 26-1/2 in W x 22-3/4 in D
- Easy heat, effortless comfort, durable, flexible
- Stainless steel fire-tube heat exchanger, non-metallic heat exchanger base
- Negative regulated combustion, 10 - 1 turndown ratio, Propane conversion kit, low water cut-off, sentinel X100 inhibitor and test kit, low NOx less than 20 mg/L
- Easy installation with set-up wizard, zone and/or priority based control, 3-thermostat inputs, outdoor reset for each priority, rate adjustable per priority, 0 - 10 V input modulation or setpoint
- 4-total outputs - 1-dedicated boiler circulator output, 3-additional outputs can be used with circulators, dampers or system aux
- Aux inputs are flow switch or end switch, aux outputs are system pump or damper, Modbus connectivity
- 1-1/4 in and 1-1/2 in flanges taco 0013 boiler circulator
- Dual pressure zones, common combustion air
- Easy maintenance with top access panel, fully removable jacket front door, adjustable boiler legs, on/off power switch, line voltage service receptacle, mounting bracket ready for wall-mount kit, condensate trap
- PVC, CPVC, PP, SS vent materials
- 1-1/2 in minimum pipe size
- 12 years heat exchanger, two-years parts warranty for residential use, 10 years heat exchanger, two-years parts warranty for commercial use