Ekol Crystal 8 Multifuel Wood Burning Stove 8kW Cast Iron Traditional DISCONTINUEDSTOVE DISCONTINUED BY MANUFACTURER. The Ekol Crystal 8 is a cast iron 8kW stove with a cutting edge firebox design housed in a traditional style body. Not all properties desire a contemporary aesthetic and the Crystals from Ekol will often work well where other stoves do not.. Designed and developed in Dorset by Saltfire. Three air controls (primary, secondary and tertiary) ensure you are in control of your flame pattern, whatever the performance of