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The Goodman 20214203 Condensate Drain Angle is a genuine OEM condensate-management fitting engineered for the AMS950704CXAB high-efficiency gas furnace. In a 90%+ AFUE condensing furnace, the secondary heat exchanger produces acidic condensate that must be routed cleanly to the drain trap. This angled drain fitting directs that flow at the correct pitch, preventing pooling, backups, and the nuisance lockouts that follow a blocked condensate path.
Generic drain fittings are often molded to loose tolerances and can leak at the slip joints or fail to seat against the OEM gasket, allowing corrosive condensate to weep onto the burner assembly and control board. This genuine Goodman OEM part matches factory dimensions and pitch exactly, so it seals the first time and preserves your furnace warranty.
Easy (1/5). A basic hand-tool swap — shut off power and gas, disconnect the existing fitting, and press the replacement into place. Most homeowners complete this in under 15 minutes. Verify the drain trap is clear while you have the assembly open.
Always confirm the OEM part number against your unit's rating plate before ordering.