### Product Overview
#### GWB8-IE Boiler
**Standard-efficiency, gas-fired water boiler**
The GWB8-042IE-2 boiler is equipped with features designed to provide years of heating benefits, including a durable cast-iron heat exchanger and titanium burners. With efficiency ratings of up to 84.4%, this boiler can offer significant energy savings compared to older models.
- **Input**: 42.5 MBH
- **Heating Capacity**: 36 MBH
**Energy Efficiency**
- **Electronic ignition control**: Monitors water temperature and maximizes efficiency by activating the burner only when necessary.
- **Thick fiberglass insulation**: Minimizes off-cycle heat and energy loss.
**Home Comfort**
- **Easy integration**: Compatible with traditional radiator systems to provide precise heating comfort, regardless of outdoor temperatures.
**Reliable Performance**
- **Cast iron heat exchanger**: Ensures long-lasting reliability.
- **Titanium burners**: Offer superior resistance to corrosion and oxidation compared to stainless or aluminized steel burners.
- **Versatile installation**: Available in six sizes for installation virtually anywhere in the home and can be fueled by natural or LP* gas.