Like many others, I want to replace the gate valves on my washer supply lines with proper ball valves. I'm comfortable with sweating copper pipes where I have good access, which I do not have in this case. So what I'd like to do if possible is put a ball valve directly on the outlet of each existing gate valve, and then attach my supply hoses to the ball valve outlets respectively - all using threaded components.
I realize this will involve a variety of adapters and fittings, if it's even possible at all. Can someone privy to plumbing terminology help me come up with a bill of materials to hand to the local parts counter? Or are there compelling reasons not to do it this way?
Thanks! dakota2112