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The Goodman B1796630 Flowrator Inlet Tube is a genuine OEM refrigerant metering component engineered for the Goodman AEPF42601BA air handler. The flowrator (piston-style metering device) feeds liquid refrigerant into the evaporator coil at the correct rate, and this inlet tube carries that charge from the liquid line into the metering body. A correct, leak-free inlet tube is essential to maintaining proper superheat, capacity, and efficiency.
This is a factory Goodman part with the exact bend geometry and length needed for a clean braze in the AEPF cabinet. Generic copper sections can be substituted by an experienced tech, but require field forming and offer no guarantee of fit. Choosing OEM avoids alignment and clearance issues during reassembly.
Advanced — Requires recovering refrigerant, brazing, evacuation, and recharging. This is an HVAC technician-level repair and should not be attempted without proper EPA 608 certification and tools.