Lennox GWB9-IH Boiler from Mississauga Home Comfort

Lennox 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.

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

Efficiency rating of 90% AFUE.

ENERGY STAR^® qualified 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.

*Shipped as natural gas; 050 and 075 models are convertible to LP.

Features and 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