Two main sizes with all kind’s of fittings and parts involved. 1/2″ or 3/4″ most commonly used in homes, but an ice maker line from the fridge can be 1/4″ and these are measured by their inside diameters, often the outside of the line will measure close to 1/4″ inch bigger, take note of this to get the sizes correct. Sweating copper lines is a term used by the pro’s to solder fitting’s. And even the pro’s have to be patient and steadfast to get this art exact. Home Depot online has everything needed for any size project, with an option of checking local store inventory and pricing first. As well as Amazon and even Ebay that have returned plumbing supply items with even bigger price cuts. For any DIY plumber there is another option here, the “Sharkbite” a mechanical copper fitting that’s a real gem when applicable. Hey we don’t need to be a rocket scientists to do this stuff, just practice and the right plumbing tools.

Elbow , Coupling, or straight line? Try the Shark Bite !

How to solder copper pipe:

For any of your plumbing fittings.