Lennox GWM-050IE User Manual

PN# 240009475, Rev. C [03/2014]
RETAIN THESE INSTRUCTIONS FOR
FUTURE REFERENCE
These instructions must be afxed
on or adjacent to the boiler.
WALL MOUNTED GAS
BOILER
INSTALLATION
INSTRUCTIONS
PRODUCT LITERATURE
Lennox Industries Inc.
Dallas, Texas
WALL MOUNTED GAS-FIRED HOT WATER
BOILERS
These Gas-Fired Water boilers are low pressure,
stainless steel boilers Design Certied by CSA
(Canadian Standards Association) for use with
Natural and Propane Gases. They are constructed
and hydrostatically tested for a 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 Heating
Boilers.
GWM-050IE, GWM-075IE,
GWM-100IE, GWM-150IE,
GWM-200IE,
WARNING
Improper installation, adjustment, alteration, service,
or maintenance could result in death or serious injury.
Refer to this manual for assistance. For additional
information consult a qualied installer, service
agency, or the gas supplier.

Lennox GWM-050IE Specifications

General

Model	GWM-050IE
Input Capacity	50, 000 BTU/h
AFUE	95%
Output BTU/h	47, 500 BTU/h
Energy Star Certified	Yes
Fuel Type	Natural gas or propane
Vent Type	Direct Vent
Water Connection Size	3/4-inch NPT