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This genuine Goodman A3468601 pressure switch tubing is the OEM silicone hose that connects your furnace's pressure switch to the inducer collector box or draft port. It is a direct-fit replacement for AMH80904BXCC gas furnaces and other compatible Goodman/Amana 80% AFUE models. Over time this small tube can crack, harden, or collapse — causing nuisance lockouts, ignition failures, or a furnace that will not fire. Replacing it restores accurate pressure/draft sensing and reliable heating.
The OEM Goodman tube is rated for the exact temperature and vacuum range of your furnace, ensuring it seals properly and resists heat aging near the burner assembly. Generic vinyl tubing may fit initially but can soften, leak, or throw false pressure-switch faults. For a safety-critical sensing line, OEM is the recommended choice.
Easy (DIY-friendly). Power down the furnace, slip the old tube off both barbs, and press the new tube on in its place — no tools required. Typical replacement time is under 10 minutes. Always confirm the switch reads correctly on a call for heat.