Lennox High Efficiency Boilers


GWB9-IH Boiler

Brand :

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.

  • 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