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The Goodman 20201802 is a genuine OEM condensate drain hose tube for the AMVC950704CXAD high-efficiency (90%+) gas furnace. In a condensing furnace, the secondary heat exchanger produces acidic condensate that must be routed cleanly to the drain trap and out of the cabinet. A cracked, brittle, or clogged drain hose leads to water leaks, pressure-switch faults, and lockouts — this exact-fit tube restores proper condensate flow.
The OEM Goodman 20201802 is molded to the precise length and bend radius of the factory drain path, so it seats without kinks or strain on the fittings. Our Generic equivalent offers the same chemical-resistant performance at a budget price for straightforward drain replacements. Both are guaranteed to fit this model.
Rating: Easy (1/5). A quick 5–10 minute job — release the hose clamps or fittings, remove the old tube, and press the new one into place, verifying a leak-free connection. Power down the furnace before servicing and check for proper drainage after startup.
Questions on fitment? Contact info@nationalhvacparts.com.