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The Goodman B1796630 Flowrator Inlet Tube is a genuine OEM refrigerant metering tube assembly designed for the ARPF486016BA air handler. The flowrator (piston) inlet tube delivers liquid refrigerant into the evaporator coil at the correct metering point, supporting proper superheat and cooling capacity. A damaged, kinked, or leaking inlet tube causes poor cooling, frosting, and refrigerant loss.
This genuine Goodman OEM tube is sized and bent to match the coil's distributor and orifice exactly, ensuring correct refrigerant flow. Generic tubing risks improper metering and brazing-fit issues. Choose OEM for reliable performance and warranty compliance.
Hard. Requires recovering refrigerant, brazing connections, evacuating, and recharging the system. EPA Section 608 certification required — professional installation only. Not a DIY repair.