| AFUE Rating | : | 0.935 |
| DOE Heating Capacity | : | 71 MBH |
| Dimensions | : | 22-13/16 in W |
| Fuel Type | : | Prapane |
| Input Capacity | : | 80 MBH |
| Net IBR Rating | : | 62 MBH |
| Series | : | UG S3 CT |
| Vent Type | : | Direct |
Weil-McLain 383-500-721 Ultra 80 LP High Efficiency Condensing Series 4 Boiler
- Gas fired water boiler with cast aluminum heat exchanger
- Venturi mixing body mixes air and gas providing higher efficiency
- Designed to operate in low temperature condensing applications
- Outdoor reset and domestic hot water priority standard
- Negative regulated gas valves precisely delivers gas to the boiler
- U-Control gives you the power for easy set-up and maintenance
- Modulates with 5 to 1 turn-down ratio
- Variable speed motor matches combustion output to heating needs
- High grade stainless steel burner features quiet operation, high efficiency and cleaner combustion for low NOx applications
- High efficiency
- 2 or 3 in vent
