ERP (Energy Efficiency)YYears Guaranteed12Width440mmTypeBoilers - CombiSolar CompatibleNoNox ClassNOx Class 5Noise Level51dBMount TypeWall MountedMaximum Vertical Flue 125mm70mMaximum Vertical Flue 100mm21 mMaximum Horizontal Flue 125mm68mMaximum Horizontal Flue 100mm20 mIncludesVertical FlueHeight695mmHeat Output BTU126585Heat Output42 kWFuel TypeNatural Gas / LPGERP RatingA+Display TypeDigital DisplayDepth353mmDHW Output Min and Max3.5 - 42.0 kWDHW Output42 kWDHW Flow Rate at 35 Degree Rise17.2 l/minCH Condensing Max Output37.1 kWSupplier Part NumberNAVIENPK17Range DescriptionNCB700Brand NameNavien