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The B1796630 is a genuine OEM flowrator inlet tube designed for the Goodman/Amana ARPF496116AA air handler. This precision-formed copper tube feeds refrigerant into the flowrator (piston) metering device at the evaporator coil, ensuring correct refrigerant distribution and optimal cooling performance.
Refrigerant tubing must match the factory bend radius, length, and inner diameter to maintain proper metering and avoid restrictions. The genuine OEM B1796630 is bent to spec for a brazed leak-free joint, while generic substitutes risk improper flow and capacity loss. Always specify the OEM tube for refrigerant-side reliability.
Advanced. Replacement requires recovering refrigerant, brazing the new tube, evacuating, and recharging the system. This is a job for an EPA-certified HVAC technician only. Improper installation can cause refrigerant leaks and void coverage.