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The Goodman 20201901 is a genuine OEM condensate drain hose tube built for the AMVC950704CXBA variable-capacity gas furnace and related Goodman/Amana high-efficiency platforms. It carries condensate from the collector box and secondary heat exchanger to the drain trap, a critical path on any 90%+ AFUE condensing furnace where standing moisture can trigger pressure-switch lockouts.
This OEM tube is factory-formed to the correct length and routing so it seats cleanly on the barbed fittings without kinks. Aftermarket hose often requires trimming and can loosen over time, producing slow leaks that corrode the burner box and blower. For a high-efficiency furnace, the genuine 20201901 is the reliable choice.
A straightforward DIY job (about 10 minutes). Cut power at the furnace switch, slide the worn hose off both connection points, press the replacement fully onto each barb, and re-prime the condensate trap before restarting. No special tools needed.
Compatibility note: Confirm your exact furnace model before ordering. Email info@nationalhvacparts.com for fit verification.