Nortek 1034920A Downflow Gas Furnaces Instruction Manual
INSTALLATION INSTRUCTIONS INDUCER ORIFICE SELECTION Refer to the tables below to select the appropriate orifice size for this replacement kit. The orifice size can also be found on the back side of each orifice. *G7, *PGC2 UPFLOW / HORIZONTAL UNITS CABINET SIZE INPUT (MBTUH) ORIFICE … Read more