Does your state require a permit? If so ask him if he got one and head on down to the building/electrical/water - town/city department. I doubt it because it wasn't inspected. Around here we have to use purple solvent that softens/cleans and prepares the pipe for glue. Then the inspector knows it got cleaned......
It's also a board of health issue. HE WILL NOT WANT A BOARD OF HEALTH ISSUE, TRUST ME!!
Dad did LOTS of plumbing for the apartment houses. The meathead didn't run some vents thru the roof. So even 30yo 3 gallon toilets don't flush, lol.....
Is it just built on a slab? or mobile home (HUD code) but thats usually black PVC around here; Not sure about your codes.
It looks like 1.5" or 2" which is sink drains and so forth. And that barbed fitting is for your softner tubing.
At least he put a trap in it. But I bet he made some good money on your job. I must say I hate being under those spaces as I'm claustriphobic as can be....
This is why I was handed a
at age 5, plumbing, electrical, heating, roofing, structure, framing - It's all so damn easy; We didn't have money to hire people. So, you had to learn it.
I have to laugh though, the other day one of our boilers was down. Pops poked around and said "well, lets go to Lowes and get an aquastat" and he is as cheap as crap. I told him to get away from me and get my voltage meter. Jumped TT and boiler started so I knew the aquastat was not to blame. Transformer nuetral wire did not have continuity up to thermostat and down to the zone valve. So, no lv 24V circuit.
Sorry for the book, I'm hittin the hay!
All our government does is distract us while they steal from us, misspend our tax $ and ruin our country