GWB9-IH Boiler

*High- Efficiency, Gas- Fired Water Boiler*

*The GWB9-IH boiler offers an AFUE rating of 90%, which means it converts a full 90% of your fuel into usable heat. And it delivers warmth quickly with a cast-aluminum heat exchanger that transfers heat three times faster than conventional cast iron.*

Features & Benefits

Energy Efficiency

• Cast-aluminum heat exchanger: Transfers heat up to three times faster than traditional cast iron exchangers
• ENERGY STAR® qualified: 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

Reliable 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

Certifications