ERP (Energy Efficiency)YYears Guaranteed10Width600mmTypeBoilers - CombiSolar CompatibleYesNox ClassNOx Class 6Noise Level49 dBMaximum Vertical Flue 100mm10 mMaximum Horizontal Flue 100mm10 mIncludes7 Inches Colour Control and Outdoor SensorHeight1400mmHeat Output25 kWFuel TypeNatural Gas / LPGERP RatingADepth595mmDHW Response 1m from Tap1 second at 15 l/min flow rateDHW Output Min and Max1.7 - 28.3 KWDHW Output25DHW Flow Rate at 35 Degree Rise20 l/minCH Condensing Max Output25 kWBoiler TypeCombiSupplier Part NumberZ020318Range DescriptionVitodensBrand NameViessmann