Espresso perfection, requires precision temperature and pressure control, consistently, every time. At the heart of this machine is its Dual Stainless Steel Boiler heating system. The brew boiler, for the espresso shot, extracts to within +/- 1'C and a separate steam boiler, which offers instant and powerful steam on demand. So you can extract your shot, at the right temperature, delivering optimal flavour and steam your milk to cafe quality, at the same time. What's more, there is another element in the group head, ensuring the entire system offers a consistent temperature. Dual Stainless Steel Boilers PID Digital Temperature Control Over Pressure Valve (OPV) Low Pressure Pre-infusion 2400W Italian 15bar Pump De-scalable Adjustable Steam Boiler Temperature +/-1degC Temperature Stability Accessories The Razor™ Precision Dose Trimming Tool, 480ml Stainless Steel Milk Jug, Single wall filters (1&2 cups), Dual wall filters (1&2 cups), Cleaning tools 1 year warranty