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The Goodman B1796630 is a genuine OEM flowrator inlet tube built as a direct-fit replacement for the AEPF183016CA air handler. The flowrator (piston-style metering device) inlet tube delivers liquid refrigerant from the line set into the metering device feeding the evaporator coil. A kinked, corroded, or restricted inlet tube starves the coil, causing poor cooling, frosting, and high superheat. Installing the correct OEM tube restores proper refrigerant flow and rated capacity.
This tube is pre-formed to the factory bend radius and fitting size, so it seats cleanly without stressing the coil connections.
OEM (this part): Exact length, bend, and fitting size for a stress-free, leak-tight connection and correct refrigerant metering. Generic: Aftermarket tubes may differ in bore or fitting, risking restrictions or solder-joint leaks. For a refrigerant-side component, OEM precision matters.
Advanced. This is a sealed-system repair — it requires recovering refrigerant, brazing/flare connections, evacuating, and recharging. EPA Section 608 certification is required. Leave this to a licensed HVAC technician. Allow 1–2 hours including recovery and recharge.