Lennox International Inc. GWB8-245E-2 User Manual

 P/N# 240009276, Rev. A  [03/2012]

GAS FIRED BOILER

Lennox  Industries Inc.
Dallas, Texas

This boiler cannot be used with all types of 

chimneys. Read these instructions carefully 
before installing.

These Gas-Fired Water boilers are low pressure, 

sectional cast iron boilers Design Certifi ed by 

CSA (Canadian Standards Association) for 

use with Natural and Propane Gases. They 

are constructed and hydrostatically tested for 

maximum working pressure of 50 psi (pounds 

per square inch) in accordance with A.S.M.E. 

(American Society of Mechanical Engineers) 

Boiler and Pressure Vessel Code Section IV 

Standards for Cast Iron Heating Boilers.

Tested for 50 psi. ASME 

Working Pressure

C.S.A. Certifi ed for 

Natural gas or Propane

Improper installation, adjustment, 

alteration, service, or maintenance 

can cause injury or property damage. 

Refer to this manual. For assistance 

or additional information consult a 

qualifi ed installer, service agency, or 

the gas supplier.

  

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