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The Goodman B1796630 is a genuine OEM flowrator inlet tube for ARPF193116AA air handler coils. It connects the refrigerant line to the flowrator (piston) metering device at the coil inlet, ensuring proper refrigerant distribution into the evaporator. A damaged or kinked inlet tube restricts flow and degrades cooling performance, so a precise OEM replacement keeps the system metering correctly.
This OEM tube is sized and bent to factory dimensions for a leak-free brazed fit. Generic tubing may have incorrect diameter or length, increasing the risk of restriction or joint leaks on the sealed refrigerant system. For refrigerant-side parts, OEM is strongly recommended.
Difficulty: Hard. Requires recovering refrigerant, brazing connections, evacuating, and recharging the system. This is sealed-system work that must be performed by an EPA 608 certified HVAC technician. Not a DIY repair.