it turns out, it does. it just take about four hours to actually get through.
and it's one of those eddie izzard showers, where the correct temperature, that is, the happy medium between freezing and scalding, lies between these two points on the temperature guage: --><--
except considering this is one of those odd two-tap showers, it's considerably more difficult to find it...
but at least it works. which is something.