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The Goodman B1796630 Flowrator Inlet Tube is a genuine OEM refrigerant component for the AEPF426016BA air handler. The flowrator (piston-style metering device) tube routes liquid refrigerant into the metering orifice at the evaporator coil, ensuring the correct flow rate for efficient heat exchange. A damaged, kinked, or contaminated inlet tube can cause poor cooling, frozen coils, or improper refrigerant distribution — making the correct OEM tube essential to system performance.
This genuine Goodman tube is manufactured to exact length, diameter, and fitting specifications. Generic substitutes risk improper braze joints and refrigerant leaks. OEM ensures a leak-tight connection and the precise geometry the coil assembly was designed around.
Difficulty: Professional recommended. Replacing refrigerant-side tubing requires recovering refrigerant, brazing, evacuating, and recharging the system — work that must be performed by an EPA-certified HVAC technician. Improper handling can damage the system and violate refrigerant-handling regulations.