Energy efficiency class A+. Energy efficiency index 110. Nominal heat output . space heating output kW 8.00. water heating output kW . Maximum operating pressure bar . Testing pressure bar . Water content l . Thermal discharger . Efficiency % 83.08. CO at 13% O2 % 0.0773. PM emissions at 13% O2 mg/Nm3 25.80. NOx at 13% O2 mg/Nm3 84.87. OGC at 13% O...