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The Goodman B1796630 Flowrator Inlet Tube is a genuine OEM refrigerant metering component engineered for the AEPF303616BB air handler. The flowrator (piston-style metering device) controls refrigerant flow into the indoor coil, and this inlet tube routes liquid refrigerant to that metering point. Using the correct OEM tube preserves the factory charge and capacity ratings of your system.
This genuine Goodman OEM tube is bent and sized to factory specs for an exact, leak-free fit. Generic or fabricated substitutes risk improper refrigerant metering, brazing fit issues, and reduced cooling performance. For a sealed refrigerant circuit, OEM is strongly recommended.
Advanced (EPA-certified technician required). Replacement involves recovering refrigerant, brazing connections, pulling a vacuum, and recharging the system. This is not a DIY repair.