High Efficiency Gas, Direct Vent Boiler (Water)
•Uses sealed combustion technology which reduces energy usage by eliminating air infiltration
•Compact design saves valuable living space
•Control module and ignition control with mistake-proof wiring and diagnostic indicator lights
•Uses stainless steel burners for quieter ignition, longer life, and improved combustion.
•Easily accessible controls, vertical flueways and top cleaning for easy and quick servicing
•Gas fired water boiler with cast iron sections
•85% AFUE
| Model | A.G.A. Input (MBH) | DOE Heating Capacity (MBH) | Net I=B=R Ratings (MBH) | Min. Vent Size | Annual Fuel Utilization Efficiency (AFUE) |
|---|---|---|---|---|---|
| CGs-3 | 67 | 57 | 50 | 3″ | 85.3 |
| CGs-4 | 100 | 85 | 74 | 3″ | 84.6 |
| CGs-5 | 133 | 112 | 97 | 3″ | 84.0 |
| CGs-6 | 167 | 140 | 122 | 3″ | 83.4 |
| CGs-4E | 90 | 77 | 67 | 3″ | 85.0 |
