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The Goodman 20201802 is a genuine OEM condensate drain hose tube engineered for the ACVC90905DXAA high-efficiency condensing gas furnace. This flexible tube carries acidic condensate between the secondary heat exchanger, collector box, drain trap, and outlet. Pre-formed to the correct length and bend radius, it routes condensate without kinks that would cause backups, pressure-switch faults, or water spilling inside the furnace cabinet.
The OEM hose is cut to the exact length and inner diameter Goodman specifies, so it slips onto the factory barbs and clamps for a secure, leak-free seal. Generic tubing is often the wrong bore or stiffness, leading to loose connections, kinks, and recurring condensate leaks. Use the genuine part for a reliable fit.
Easy (1/5). Slide the hose onto the fittings, secure with the existing clamps, and you're done in under 10 minutes. Shut off power and gas first, and confirm the hose runs downhill to the drain with no sags or kinks.