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The Goodman B2832606 is a genuine OEM O-ring seal used in the Goodman GSU100-4 gas furnace. This sealing ring maintains a tight, leak-free connection at its mating joint — commonly a pressure switch tube, condensate trap, or gas/combustion component — preventing air, flue-gas, or condensate leaks that can trigger nuisance lockouts or corrosion. Rubber O-rings harden and crack over time, so replacing them during any related service keeps the sealed system operating as designed.
The OEM B2832606 is molded to Goodman's exact inside diameter, cross-section, and material durometer. A generic O-ring that is slightly off-size can extrude, leak, or fail to seat. For sealing components, matching the OEM dimensions is the safest choice.
Easy — DIY friendly. Remove the old O-ring, clean the groove and mating surface, and seat the new ring. Estimated time: 5–10 minutes. Inspect the seal for leaks after reassembly. Shut off power and gas before servicing.