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The Goodman 22309501 Flue Vent Pipe is a genuine OEM venting component designed for the GKS90704CXAB high-efficiency gas furnace. It carries combustion byproducts from the heat exchanger to the venting system, maintaining proper draft and a safe, sealed exhaust path. Because it is a factory part, its diameter, length, and connection points align precisely with the original assembly, ensuring a code-compliant, airtight fit.
Flue and venting components are safety-critical. Generic or fabricated pipe can introduce leaks of carbon monoxide, poor draft, and failed inspections. This genuine Goodman OEM flue pipe preserves the engineered venting profile and sealing surfaces for safe, reliable exhaust.
Moderate (3/5). Flue work should follow the furnace installation manual and local code. Shut off gas and power, verify vent sealing, and confirm proper draft after installation. Because this part handles combustion exhaust, professional installation by a licensed HVAC technician is strongly recommended.