Goodman 80% AFUE 40k BTU Single Stage Upflow Low NOx Furnace GR9S800403AX - Replacement for GM9S800403AX GPG This is the Goodman GPGM54210041

This is the Goodman GPGM54210041

The system maintains a consistent temperature to ensure maximum comfort with every use

4 SEER2 3 TON 80k BTU multi-position Dual-Fuel packaged unit

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Goodman 80% AFUE 40k BTU Single Stage Upflow Low NOx Furnace GR9S800403AX - Replacement for GM9S800403AX GPG This is the Goodman GPGM54210041This is the Goodman GR9S800403AX, a upflow horizontal, single stage, 80% AFUE, 40k BTU 9 speed furnace. What does that all mean? Keep reading. Orientation: This unit is designed to be used in a upflow or horizontal configuration. These are generally installed in an attic, crawl space, or in a closet on the bottom floor. Efficiency: With an 80% average fuel utilization efficiency (AFUE), 80 cents of every dollar you spend on fuel will be converted into