TECHNICAL MANUAL
GMS8 33-3/8" Gas Furnace Units
80% AFUE, Single Stage,
Multi-Speed, Upflow Horizontal
•Refer to Service Manual RS6612006 for troubleshooting information.
•Refer to the appropriate Parts Catalog for part number information.
•Model numbers listed on page 3.
This manual is to be used by qualified, professionally trained HVAC technicians only. Goodman does not assume any responsibility for property damage or personal injury due to improper service procedures performed by an unqualified person.
RT6621031r2 November 2013
Copyright © 2013 Goodman Manufacturing Company, L.P.
