307500101M00
CONCOA Precision Gas Controls Single stage CP Brass, 3075001-01-M00 #122V8
I chose RRG because their online support is helpful for setup questions.
CONCOA Precision Gas Controls Single stage CP Brass, 1/4” FNPT, 3075001-01-M00
A nice touch on the Oil Equipment Mfg 4171 is the drip tray that catches spills and keeps things tidy.