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GWB9-IH Boiler

Features

Overview

Here are some of the top features of the GWB9-IH:

• Efficiency rating of 90% AFUE.
• ENERGY STAR^® certified which means it meets or exceeds U.S. federal guidelines for energy efficiency.
• Cast-aluminum heat exchanger transfers heat up to three times faster than traditional cast-iron exchangers.
• Easy integration with traditional radiator systems to provide precise heating comfort, regardless of outdoor temperatures.

Energy Efficiency

• Cast-aluminum heat exchanger—transfers heat up to three times faster than traditional cast iron exchangers
• ENERGY STAR® certified—meets or exceeds EPA guidelines for energy efficiency, which means energy savings
• Electronic ignition control—monitors water temperature and maximizes efficiency by turning on the burner only when needed

Home Comfort

• Sealed combustion—minimizes fan noise and provides quiet, soothing heat
• Easy integration—low temperature supply and return water makes the unit compatible with existing radiant and underfloor systems

Performance

• Durable cabinet—heavy-gauge steel cabinet and baked-on paint finish
• Compact and versatile—allows easy installation in a basement, closet or alcove enclosure, and can be fueled by natural or LP* gas

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Certifications