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The Goodman B9102097 Liquid Line Cap with O-Ring is a genuine OEM service-port sealing cap for the APH1524M41AA heat pump. It threads onto the liquid line service fitting and, backed by its factory O-ring, provides a secondary leak-tight seal that protects the refrigerant charge and keeps moisture and debris out of the system. A missing or dry-rotted cap is a common source of slow refrigerant loss — replacing it safeguards system performance and efficiency.
This genuine OEM cap is machined to the correct thread pitch and includes the properly sized O-ring, ensuring a true refrigerant-tight seal. Generic caps may not seat fully or may ship without a rated O-ring, risking leaks. OEM is the safe choice for pressurized refrigerant lines.
Easy (1/5) — Simply hand-thread the cap onto the service port and snug it lightly. Under 5 minutes, no tools or refrigerant recovery required.