### Product Overview
#### GWM-IE Boiler
**High-efficiency, gas modulating condensing water boiler**
Designed to maximize fuel savings, the GWM-150IE boiler delivers up to 40% greater efficiency than conventional boilers. Its burner adjusts heating output to household demand, using only the energy necessary to keep your customers comfortable.
- **Input Maximum**: 150 MBH
- **Heating Capacity**: 139 MBH
**Energy Efficiency**
- **ENERGY STAR® qualified**: Meets or exceeds EPA guidelines for energy efficiency, ensuring significant energy savings.
- **Electronic ignition control**: Monitors water temperature and maximizes efficiency by activating the burner only when necessary.
- **Stainless steel, finned tube heat exchanger**: Converts waste energy into usable heat.
**Quiet Operation**
- **Sealed combustion**: Minimizes fan noise and provides quiet, soothing heat.
**Home Comfort**
- **Modulating capability**: Allows the burner to fire at a rate as low as 20% of its full capacity to perfectly match comfort needs.
**Reliable Performance**
- **Stainless steel, finned tube heat exchanger**: Self-cleaning and extremely durable.
- **Stainless steel mesh burner**: Provides greater resistance to corrosion and oxidation compared to aluminized steel burners.
- **CPVC flue condensate collector**: Corrosion-resistant and eliminates the use of metal in the venting area.