Spirax Sarco offers the Spirax EasiHeat DHW, a heat exchanger incorporating S.I.M.S (Spirax Intelligent Monitoring System) technology. It is a complete, compact and energy efficient heat transfer solution, that will deliver a constant supply of hot water at a stable temperature on demand for a full range of domestic and process hot water applications up to 4 million BTU’s. A 7” touch screen provides complete visual access to data detailing how and where energy is consumed.