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The Goodman 20201902 23-inch Condensate Drain Hose Tube is a genuine OEM replacement designed for the AMH950704CXAD high-efficiency gas furnace. At a pre-cut 23-inch length, this hose carries condensate from the furnace's collector box and pressure-switch circuit down to the drain trap. Over time, drain hoses harden, crack, or develop algae blockages that trigger pressure-switch faults and furnace lockouts — replacing the hose restores proper drainage and reliable heating.
The OEM 20201902 arrives at the correct 23-inch length and exact bore diameter for the AMH950704CXAD, so it seats cleanly on the factory fittings without leaks. Generic bulk tubing must be measured and cut and often does not match the original wall thickness, increasing the risk of kinks and slow leaks that mimic more expensive failures. The OEM hose is the safest, most reliable choice for this furnace.
Easy — DIY friendly (1 of 5). Roughly a 10-minute job. Turn off power to the furnace, detach the old hose, slide the new 23-inch hose onto the collector box and trap connections, and confirm a downward slope for gravity drainage. No cutting or special tools required. Verify no water backup at the trap after restarting.