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The Goodman 20201901 is a genuine OEM condensate drain hose tube for the Amana AMH950703BXAB 96% AFUE, 70,000 BTU gas furnace and compatible Goodman/Amana condensing models. This is a heavier, pre-formed drain section that carries condensate from the collector box assembly through the cabinet to the external trap and drain. Its molded shape maintains continuous downhill slope, which is essential for reliable draining and correct pressure-switch operation.
Because this tube spans a longer, shaped path inside the cabinet, generic substitutes almost never match. An incorrect bend allows condensate to pool, triggering pressure faults, lockouts, and overflow. The OEM 20201901 delivers factory geometry, wall thickness, and chemical resistance for the acidic condensate produced by high-efficiency furnaces.
Difficulty: Easy (1.5/5). Power down the furnace, loosen the retaining clamps, and slide off the old tube — keep a towel handy for residual condensate. Fit the new tube to the same ports, confirm slope, and re-clamp. Plan on 10–15 minutes and clean the trap while you're in there.
Genuine OEM quality, direct-fit, from National HVAC Parts.