GWB8-042IE-2, 84.4% AFUE, Gas-Fired Water Boiler, 42,500 Btuh, 1.75 Gallon Capacity, Natural or LPG/Propane Gas

GWB8-IE Boiler

Standard-efficiency, gas-fired water boiler

The GWB8-042IE-2 boiler is full of features that provide years of heating benefits, including a cast-iron heat exchanger and titanium burners. With efficiency ratings of up to 84.4%, the GWB8-042IE-2 can also deliver significant energy savings, compared to an older boiler.

42.5 Input MBH, 36 MBH Heating Capacity

Energy Efficiency

• Electronic ignition control—monitors water temperature and maximizes efficiency by turning on the burner only when needed
• Thick fiberglass insulation—minimizes off-cycle heat and energy loss

Home Comfort

• Easy integration—works with traditional radiator systems to provide precise heating comfort, regardless of outdoor temperatures

Reliable Performance

• Cast iron heat exchanger—designed for years of long-lasting reliability
• Titanium burners—provide greater resistance to corrosion and oxidation than competitive stainless or aluminized stell burners
• Versatile installation—available in six sizes for installation virtually anywhere in the home, and can be fueled by natural or LP* gas

*Shipped as natural gas; convertible to LP.