Contact your local utility company to determine if there are available rebates.For a full list of product details and warranty information, visit Lennox.com/terms-and-conditions.

Lennox boilers are designed to easily integrate into an existing radiatior, baseboard, or in-floor heating system, offering energy-efficient comfort through even the coldest winters

Built to last with the uncompromising durability of the heat exchangers and burners

Automatic temperature-adjustment capabilities

Electronic ignition for improved efficiency and dependability

Boilers

Lennox® boilers come appointed with:

www.lennox.com 1-800-9-LENNOXFor a complete list of the registered and common law trademarks

owned by Lennox Industries Inc., please visit www.lennox.com.© 2020 Lennox Industries Inc. 19LNX0076 09/20 (20B17)

High-Efficiency Modulating Gas-Fired Condensing

Combination Water Boiler

GCWB95

High-Efficiency Modulating Gas-Fired Condensing

Water Boiler

GWM-IE

High-Efficiency Gas-Fired Condensing

Water Boiler

GWB9-IH

Standard-Efficiency Gas-Fired Water Boiler

GWB8-IE

Standard-Efficiency Gas-Fired Water Boiler

GWB8-E-3

Standard-Efficiency Gas-Fired Steam Boiler

GSB8-E

Standard-Efficiency Oil-Fired Water Boiler

COWB3Annual Fuel Utilization Efficiency

(AFUE)95% 95% 90% Up To 84.4% Up To 83.9% Up To 82.7% Up To 84.3%

Electronic Ignition Control

ENERGY STAR® Certified Most Efficient 2020 Most Efficient 2020

Vent Damper

Burners Pre-Mix Stainless Steel Pre-Mix Stainless Steel Pre-Mix Stainless Steel Titanium Stainless Steel Titanium Beckett® Oil Burner

Sealed Combustion Design

Low Water Cut-Off

Heat Exchanger Stainless Steel Stainless Steel Aluminum Cast Iron Cast Iron Cast Iron Cast Iron

Heat Exchanger Limited Warranty 15-Year 15-Year 15-Year 20-Year 20-Year 12-Year 20-Year

10-Year Limited Warranty On Covered Components10