The Cressida HE is a high efficiency glass fronted appliance suitable for Class 1 and Class 2 Flues. The most powerful gas fire in the Wildfire range, with its deep bed and powerful output this appliance provides the ultimate in performance and style. The flagship Cressida HE is supplied in either manual or slide control. The slide control features the latest patent pending Direct Slide technology. Remember, once you have chosen your appliance, you can decide how it looks by selecting trim and fret options. See the trim options below.