What is this part on a prier cold stem?

Two water main valves?

I’m not sure what I’m looking at here. I know one of them turns off the water because I had to reach back there to turn the water on when we moved in. I believe it was the bottom one. I’m not sure what the top valve does. The wall to the right is an exterior garage wall if that helps.

Leaking sink?

Hi, does anyone know what this pipe to knowhere is (under kitchen sink)? It seems to be plugged with something soft and has just started dripping.

garden faucet

old house, the faucet is dripping. take it out. 14 in long. one end is a washer and the other end is shown in the picture. Any idea what brand it is ? no texts left. Thanks

Is this normal? Blue stuff ontop of water in my softener

What is the silver round thing to the right with white top and bottom? Also feel free to rate/critique the install! Thanks in Advance!

What is this?

What is the purpose of this? Preface by saying I know nothing about plumbing…

Drops from waste pipe.

Hello! I have water appearing in a few fittings from a waste pipe I fitted. Should I be looking to stop the drips before using solvent… or will the solvent fix the problem? Thanks.

Filling the gap at base of acrylic tub

The original plumber who set the tub was fired from the job. They came and tiled the floor. New plumber finished the house and did not touch the tub. My wife is worried about getting water under it before we move in. Is there anyway to seal it that looks visually nice besides a very large line of caulk?

What is this? #2

Another round of “what is this”? What is that black thing? It’s in my basement.

Help with shower head leak

Water is shooting out of the blue area. Is that just a seal ?thanks for the help