| AFUE Rating | : | 92.5% |
| DOE Heating Capacity | : | 270 MBH |
| Input Capacity | : | 299 MBH |
| Series | : | Ultra 4 |
| Vent Type | : | PVC/CPVC/PP |
| Water Volume | : | 2.1 Gal |
Weil-McLain 383-500-737 Ultra 299 High Efficiency Condensing Series 4 Gas-Fired Water Boiler
- Cast Aluminum Nano-Coated Heat Exchanger
- Nano-coating provides antiadhesive and anticorrosion properties
- Modulates with 5:1 turn-down ration
- Outdoor reset and domestic hot water priority
- High grade stainless steel burner features quiet operation
- U-Control gives you the power for easy set-up and maintenance
- Temperature management for up to 3 different set points
- Control multiple boilers from a single panel
- Capable to vent with PVC, CPVC and PP
