supernotch90 Club Member Jun 26, 2011 #1 New furnace has been installed in a home but never had gas ran through it . It is model number gmp-100-3 . 100,000 btu with 80% efficiency. $400.00 located in romulus 586-255-4845 thanks , rob .
New furnace has been installed in a home but never had gas ran through it . It is model number gmp-100-3 . 100,000 btu with 80% efficiency. $400.00 located in romulus 586-255-4845 thanks , rob .