That was hardly a lid, yes I was thinking replace it.
1/4" clear Lexan and seal it down with silicone.
Looks like a back flow thing. If you have radon that would be good place to put that system in. I would find a way to seal the lid....
I think Bud is right about the cam has rotated, you would think it would be welded in place but the horse shoe cam rider is a spring loaded steel,...
cut it off at the chamfer and remove the rot, fill it with epoxy and put caps on.
Post some photos?
When that door is standing open is it same angle both or is one way a little more and the other a little less?
4" side, bottom , both sides what are we talking about.
A box down is usually a skinny wall front and back 1/4" lower that the beam
The wall can...
How old is the house, are we sure this isn't a poorly done plaster finish.
The big bump in the wall looks like a pipe a little to big for the wall.
4x8x 5/8 is about 73 pounds but if feels like 120,
If it is in good shape I would leave it and you can just drywall tape it.
Soaking tub, claw foot? built in? plastic faced?
This one learns when you need hot water and will deliver it when you are going to the shower....
Not if the pilot has it's own.
Here 12 pages of parts, and they offer to help while you are at their site....
It likely has a thermocouple that indicates heat and if it not reading the heat, it shuts the gas off.
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