water can only be met by storage systems. The ultimate provider of high pressure hot water is an unvented cylinder. manufacturing knowledge, we were able to produce a unit from heavy gauge Grade One Copper. We subsequently updated the model on two further occasions, incorporating features to enable easier installation. Since then market expectations have changed enormously. consultations with developers, installers and specifiers alike. The outcome of this led to heavy investment in new manufacturing facilities close to our original premises in Shropshire and in 2002 the launch of our Tornado and Tempest Stainless models. 2304 Duplex Stainless Steel. Tornado and Tempest units are finished using a wipe-clean, white-coated steel case. Continuing our philosophy of using only the finest materials, the heat loss from the cylinder is minimal, making it extremely economical to run. our stainless cylinders a life-time guarantee* to give each customer total peace of mind. |