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The Goodman A3468601 is a genuine OEM 3/16" inner-diameter pressure switch tube designed for the AMH80805CNBB gas furnace and compatible Goodman/Amana models. This flexible hose connects the pressure switch to the inducer draft port, allowing the switch to accurately verify combustion air flow before the furnace ignites. A cracked, brittle, or clogged tube is one of the most common causes of a furnace that locks out on the pressure switch and fails to fire.
The genuine Goodman OEM tube is cut to the correct length and formulated to withstand the heat and vibration inside the burner compartment. Generic tubing often hardens or collapses over time, leading to intermittent no-heat calls. For a reliable, worry-free repair we recommend the OEM part.
Easy (1/5). Simply slide the old tube off both ports and press the new tube on. No tools required — most homeowners complete this in under five minutes with the power off.