ok, so, i left the fan on for groceries, but turned the water off, and i came home to the most disgusting stench i've ever smelled, distributed over the entire space. i had to open up the closet and see what the fuck is going on in there.
is it the gas after all? well, i started by turning it off and draining the tank. what i was experiencing was that the smell came back after i turned the water off, so what happens if i turn the gas off?
there does not appear to be any odor coming from the heater, but there's a dugout beside the main that is just rank. i suppose that the right answer is probably that there is in fact something rotting in there, like i thought in the first place. but, i can't just run the hot water 24/7.
what i'm going to try and do as a stop-gap is just tape the dugout up and lysol the space. if that doesn't work, i'm going to need to get the landlord to call a roto-rooter....