Guess what this is?

Wonder what this is.

A clogged evap coil!

Dominic…you da man!!! :stuck_out_tongue: :smiley:

You should be an inspector. :wink: lol

That TPRV needs to be plumbed correctly! Or am I missing something? :mrgreen: :stuck_out_tongue: :stuck_out_tongue:

Bet the realtor asked you if the drop was good, didnt he?

Looks like some pretty suspicious biolological growth. Is that a parge coated wall surface to the left of the picture with some spray foam in the corners? A location and condition would really be helpful to take a nice stab at it.