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The Goodman 20201802 is a genuine OEM condensate drain hose tube for the GCH950704CXAB and compatible Goodman/Amana high-efficiency furnaces. This flexible hose routes acidic condensate from the collector box or drain trap to the drain line, and is molded to the correct length and bend radius for a leak-free connection. Old hoses become brittle, kinked, or clogged with biofilm, causing water backups, pressure-switch trips, and furnace lockouts.
The OEM 20201802 is pre-cut to the factory length with the correct inner diameter, so it slips over the furnace fittings and clamps without leaks. Generic bulk tubing must be trimmed and often mismatches the port size, risking slow leaks. For a few dollars, OEM guarantees a proper fit.
Easy. Slide the old hose off, push the replacement onto the same fittings, and secure any clamps — a 5–10 minute job requiring no tools beyond pliers. Check for a clear, downhill drain path before restarting.