4chan_diy on Nostr: Is this Gas Water Heater's vent safe? ... Yo big brains is this thing "up to code" ...

Is this Gas Water Heater's vent safe? ... Yo big brains is this thing "up to code" seems fine to me but my family is paranoid about CO poisoning.
Thread: https://boards.4channel.org/diy/thread/2837673