plumber

Hello everyone recently a friend over my house has taken a shower in the upstairs shower the last few days. Right below the shower this was found the shower is right above this with water also dripping down a little at that vent. infrared showed that entire ceiling had water all over it...

I have 3 zones and the 2nd floor gets no heat, I bleed the lines and no water would come out. I filled the lines with a hose, still nothing. I added a Watts feed/pressure regulated and a few shark bites. There is no feeder in this furnace set up.

Ok so this is clogged or something and it won't go down... I have snaked the p trap and then just replaced all the p trap pipes with new ones as well as replaced the vent and nothing worked so now I'm trying to snake the pipe in the picture because it seems to be clogged here but its not...

[deleted]

Seeking second opinions on whether joints/connections look secure. Recently had a plumber do the following: (1) Remove corrugated copper pipes and solder on male adapters for stainless-steel connector. (2) Remove old cold-water supply shut off valve and solder on lead-free copper-alloy ball...

I am looking to be the project manager for my own bathroom renovation and would like to know who should I be hiring to build the shower base, framing, waterproofing and drain installation. Is it the carpenter, plumber or both need to work together?