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The Goodman 22309501 flue pipe carries combustion exhaust gases from the heat exchanger through the induced-draft venting system on the GME950403BXAB 96% AFUE gas furnace. Because this is a high-efficiency condensing unit, the flue path must handle cool, moisture-laden exhaust without corroding or leaking — a compromised flue pipe risks condensate leaks and unsafe combustion venting. This OEM pipe matches the factory diameter, length, and connection points exactly.
Substitute venting components can differ in diameter or sealing surface, creating exhaust leaks and drawing carbon monoxide risk. This genuine Goodman OEM flue pipe is built to the original combustion-venting spec, ensuring a gas-tight fit with the inducer and vent connections.
Moderate (2/5). Requires shutting off power and gas, disconnecting the existing flue section, and resealing all vent joints per code. Because it involves the combustion exhaust path, a combustion-safety and CO check after installation is strongly recommended — have a qualified HVAC technician verify draft if you are unsure.