How do I register my Goodman GM9S96 furnace to receive the full warranty coverage?
Online registration must be completed within 60 days of installation to receive the 10-Year Unit Replacement Limited Warranty, Lifetime Heat Exchanger Limited Warranty, and 10-Year Parts Limited Warranty. Note that online registration is not required in California or Quebec. (Page 5)
From the official Goodman Furnace Free manual, page 5
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