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The Goodman 20201802 is a genuine OEM condensate drain hose tube designed as a direct-fit replacement for the GMH951155DXAC high-efficiency gas furnace. This molded hose routes condensate between the collector box, drain trap, and drain line. Over time, drain hoses can harden, crack, split at the barb connections, or clog with biofilm — leading to water leaks, condensate backup, and pressure-switch lockouts. Replacing a compromised hose restores reliable drainage and prevents water damage.
The genuine OEM hose is pre-formed to the exact length, bend, and barb diameter of your furnace's drain routing, so it seats securely without leaks. Generic bulk tubing must be cut to length and often slips off the fittings or kinks in tight spaces. OEM ensures a clean, leak-free fit.
Easy (1/5). Power off the furnace, pull the old hose off its barbs, and press the replacement onto the same fittings. No tools needed in most cases — under 10 minutes.