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The Goodman B1796632 is a genuine OEM 3/8-inch seal and nut kit for ARUF048-00A-1 air handlers. This small but critical fitting forms a leak-tight connection at the refrigerant or drain junction, ensuring the system holds charge and operates at rated efficiency. Worn or missing seals are a common source of slow refrigerant leaks and condensate seepage.
Seals and nuts are inexpensive, but the wrong durometer or thread pitch causes leaks that are costly to diagnose. The OEM B1796632 is manufactured to Goodman's exact spec for a guaranteed seal on the first try — far cheaper than a callback or lost refrigerant charge.
Easy to Moderate. Replacing the seal and nut is straightforward with the correct wrenches, but if it sits on the refrigerant circuit the line must be evacuated and recharged by a certified technician. Drain-side replacements can be done by a confident DIYer.