GWB9-IH 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^® 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.

Cast-aluminum heat exchanger

ENERGY STAR® qualified

Sealed-combustion design

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

Compact and versatile allows easy installation in a basement, closet or alcove enclosure, and can be fueled by natural or LP gas

15-year limited warranty on heat exchanger, 1-year limited warranty on remaining covered components

Publications:

https://resources.lennox.com:443/fileuploads/7ec4c35f-b5c8-44b3-894b-4d2a47659eaf99W56_GWB9-IH_83271_1015.pdf

Certifications:

AHRI Certified C

ASME

CSA Approved (C)(US)

CSA Certified Canada

CSA Design Certified

EnergyStar

Warranty:

15-Year Limited Warranty on heat exchanger

10-Year Limited Warranty on covered components

*Shipped as natural gas; field convertible to LP.

GWB9-IH Boiler

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

Publications:

Certifications:

Warranty:

Phone

Email

Business Hours

Office hours