One end of part is flared and fits over the end of evaporator the other end fits into the flared end coming out of compressor. The old cup drain is approx. 1/4 inch outside diameter & the new part is approx. 3/16 inch outside diameter. With the difference in diameters I am unable to solder this new part in.
Answer Hello Bill,
Sounds like you need to purchase a swedge tool. Just as a flaring tool is used to make a flare connection, a swaging tool is used to make a permanent brazed connection. Swaging the end of your tubing is similar to flaring in that your goal is to gradually widen the end of your tube. However, swaging eliminates the use and expense of fittings, as well as the opportunity for leaks. Swaging allows you to increase the inside diameter of the tubing for a short length so you can slip one tube inside the other before brazing.
We offer a set TJ70005 for a reasonable price.