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The Goodman 20201802 is a genuine OEM condensate drain hose tube for the AMV90453BXBA high-efficiency (90%+ AFUE) gas furnace. Condensing furnaces produce acidic water from the secondary heat exchanger, and this molded tube routes that condensate through the drain system. Cracked, brittle, or clogged drain tubing causes leaks, pressure-switch faults, and water damage.
The genuine OEM 20201802 is molded to the exact length and bend radius required to seat cleanly against the furnace's drain ports without kinking. Generic bulk hose must be cut and forced to fit, increasing the risk of kinks, leaks, and trapped condensate. OEM ensures a leak-free, drip-free installation.
Easy (1/5) — A 10-minute job. Power off the furnace, release the hose clamps, remove the old tube, and press the replacement onto the same fittings. No tools beyond a nut driver or pliers for the clamps. Confirm proper drainage after reassembly.