Built-in rapid water heater . Suitable for connection to a gas boiler heating system; Faster water preparation thanks to the larger coil area Suitable for installation with all types of boilers: liquid fuel, gas, coal, etc. Up to 50% longer service life thanks to RESIST-TECH® technology The inner tank is enamelled with EXTRA GLASS® coating, which precisely covers the entire inner surface of the tank. The outer layer is fixed by heating at 850 degrees Celsius, making the coating extremely durable. Magnesium anode protection Heating element installation option Thermometer built into the body Technical data. Coil surface 1,2 m 2