| AFUE Rating | : | 85% |
| Fuel Type | : | Natural Gas |
| Ignition Type | : | EI/Spark Ignition |
| Net IBR Rating | : | 66 MBH |
| Type | : | Hydronic (Water) |
| Vent Type | : | Power Vent |
| Warranty | : | Limited Lifetime on Cast Iron Sections / 1 Year on Parts |
Weil McLain 383-600-331 - SF750 - S3 - SlimFit Commercial Condensing Gas Boiler r
- 93.9% Thermal Efficiency
- 94% Combustion Efficiency
- CSD-1 Compliant is Standard
- Lightweight and Requires Minimum Clearance
- Fast & Easy Out of the Box Installation
- Low Nox Certified
- PVC, CPVC, PP or SS (AL29-4C) materials approved for Direct Vent and Direct Exhaust
- Compact Design Packaged Boiler
- 20%-100% Modulation
