All sheets used in the construction of the hot water tank, main furnace, return chamber, and tube sheets are made from fire-resistant DIN17155-17MN4 sheet metal. This type of sheet is specifically designed for steam boilers and has high tensile strength.
All pipes used are made from seamless fire-resistant steel and conform to the DIN17175-ST35.8 standard.
All welding is done according to WPS and PQR approved by the Standards Administration and by certified welders