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The Goodman 10254303 Rubber Coupling is the genuine OEM flexible connector and seal for the ACV90704CXBB gas furnace and compatible Goodman/Amana models. This small but essential part creates a leak-tight, vibration-dampening connection between condensate, drain, or vent components inside your high-efficiency furnace. A cracked, hardened, or missing coupling leads to condensate leaks, water damage, and pressure-switch faults that lock out the furnace.
The genuine OEM coupling is molded to the exact inner diameter and durometer needed for a secure, lasting seal on your furnace's fittings. Generic rubber often swells, slips, or degrades against acidic condensate, causing repeat leaks. OEM ensures a proper fit the first time.
Very Easy — DIY friendly (1 of 5). A 5-minute, no-tools repair in most cases: slide off the old coupling and press the new one into place, securing any clamps. Power off the furnace before servicing. An inexpensive part that prevents costly water damage.
Maintain a tight, leak-free seal with the exact coupling Goodman built for your furnace.