I put up the 1/4 middle plate for sale: I'll order 1/4" by 1/4" pieces, with some 1/4" by 1/2". This will save me a lot of cutting.
I went to Lowes, and picked up a 3/8 to 1/2 adapter, as well as a 1/2 threaded adapter, into which my 1/2" polypropylene barb fits very nicely. I also picked up flux, and 1/2 lb of acid core solder.
Why the adapter?
Well, "1/2" copper piping isn't exactly 1/2, in fact, it's more like 5/8, on the outside. "3/8" is actually 1/2 on the outside. Since I got fittings, those real measurements are on the inside, so they're all even bigger!
The plan is to solder the "3/8" adapter right on the edge of the block.
I also need about 4" total of 1/2" copper piping, to mate the joint between the adapters.
Does anyone have any extra 1/2" copper piping?
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