ERP (Energy Efficiency)YYears Guaranteed10Width370mmTypeBoilers - SystemSolar CompatibleYesNox ClassNOx Class 5Noise Level49dBMount TypeFloor StandingMaximum Vertical Flue 125mm0 mMaximum Vertical Flue 100mm21 mMaximum Horizontal Flue 125mm0 mMaximum Horizontal Flue 100mm20 mIncludesNavien's Smart Plus controllerHeight860mmHeat Output BTU78476Heat Output21 kWFuel TypeOilERP RatingADisplay TypeDigital DisplayDepth470mmDHW Output Min and Max16 - 21 kWDHW Output21 kWDHW Flow Rate at 35 Degree RiseNot applicable for this system boilerCH Condensing Max Output23 kWBoiler TypeSystemBTU/h60,001 to 80,000Supplier Part Number30025011ARange DescriptionLCB700Brand NameNavien