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The Goodman B1796630 Flowrator Inlet Tube is a genuine OEM refrigerant metering component engineered for the ARPF486016AB air handler. This inlet tube routes liquid refrigerant into the flowrator (fixed-orifice metering device) at the evaporator coil, ensuring correct refrigerant flow and proper system superheat. A worn, kinked, or corroded inlet tube can cause poor cooling, ice formation on the coil, or refrigerant restriction — making timely replacement essential for reliable performance.
This is a genuine Goodman OEM part, machined to factory tolerances for a leak-free braze joint and correct orifice alignment. Generic or universal tubes often require field bending and may not seat properly against the flowrator body, risking refrigerant leaks and warranty issues. Choosing OEM protects your equipment warranty and guarantees an exact fit.
Hard — Professional Recommended. Replacement requires recovering refrigerant, brazing, evacuating the system, and recharging. This work must be performed by an EPA Section 608 certified HVAC technician.