Ours has the sink, stove, and refer in the passenger side slide and has never had a leak or malfunction. I've been on this forum for many years and I don't recall anyone having an issue with appliances because of a slide movement. If there has been, someone will verify that.
hotjag1
2003 40' Allegro Bus, 3 slides, 400hp 8.9 liter ISL Cummins
2000 24' Dynamax Isata