Originally Posted by Startinover
I'm redoing the whole bathroom. From previous posts and your help I am using 1 and 1/2 copper drain. Will transition to 1 1/4 copper before going up into the bathroom for double sinks. (drain comes through the floor, not the wall)
Question. Where and how should I transition from the copper to the 'chrome plated'? pipes normally used for the trap etc?
as of now floor is down to the subfloor in bathroom and the ceiling is off downstairs so have full access.
The answer to your question, the 1 ˝ rough copper is 1 ˝ ID the chrome plated brass P trap is 1 ˝ OD so it will slip inside the copper, you then just solder it in to place, that's the way it’s done, you’ll have to sand the chrome off at the point of solder. Use 50/50 solder. Use a good gauge trap. 17 gauge, will last a good long time.