Voice activated, it gives a distinctive, electronic sound when activating and revolving, it speaks in a dull male voice and bears a sign which reads "Now irradiate your hands."
Lister asked Holly why the computer had brought Rimmer back as a hologram instead of Kochanski. The computer senile Holly told Lister that he thought Rimmer was the best person to keep Lister, the last human alive, sane. Lister responded to Holly with an exclamation of "Oh crap", and the Revolving Toilet heard this and buzzed into action.
When Lister says he didn't want the toilet, saying "Not you!", the Revolving Toilet apologises and says that it wasn't paying attention. It says "See you next time!" before revolving back into the wall and deactivating. ("Balance of Power", Series I)
When Lister wakes up one morning to find that he is inexplicably bald, he exclaims "Crap!" and the toilet once again buzzed into action.
- The Revolving Toilet is connected to the ship sewerage system and therefore Waste Disposal.
- The Red Dwarf novel Better Than Life also mentions the Revolving Toilet, which was accompanied by musical toilet paper (which plays "Morning Has Broken") that Lister had once purchased on Miranda.