Marquis Spa Flow Switch. Used In 1999 Euphoria MTS And Reward MTS Models.1998 Reward MTS, Euphoria MTS And Spirit LS. Used In 1997 Reward MTS, Euphoria MTS, Quest MTS, Departure RS, Mirage RS, Voyage RS, Destiny CS, Serenity CS And Spirit CS Models. Used In 1996 Euphoria MTS, Quest MTS, Retreat MTS, Reward MTS, Departure RS, Mirage RS, Voyage RS, Destiny 120 Volt, Destiny 240 Volt, Oasis CS And Spirit CS Models.1995 Euphoria MTS II, Reward MTS II, Mirage MTS I, Quest MTS I, Retreat MTS I, Oasis MTS I And Spirit MTS I Models. Used In 1994 Crossing MTS II, Euphoria MTS II, Reward MTS II, Secret MTS II, Voyage MTS II, Mirage MTS I, Retreat MTS I And Spirit MTS I Models