Best Selection of Steamist SM-1503-IM Instamist Residential Steam Generator System The Steamist InstaMist generators feature pre-heat function, which provides a generous volume of steam in under a minute. This new feature maintains an average water temperature of 180°F in the stainless steel reservoirs. When the steam generator is activated, the pre-heated water inside the steam generator quickly reaches the boiling point, allowing steam to flow out in under a minute. Steamist SM-1503-IM I...  ...More Details