so if my copper tube has an OD od 3/8" according to the manufacturers site it has an inner diameter of 1/4" that means i could use https://www.amazon.com/Everflow-Supplies-CCMA1412-Adapter-Connections/dp/B01BTYTA8I/ref=sr_1_25?s=hi&ie=UTF8&qid=1541226278&sr=1-25&keywords=1%2F4+Copper+Male flare out the end of the tube and push it over the ΒΌ end and drill a 1/2 hole in the lid and leadless solder it in?