ERP (Energy Efficiency)YYears Guaranteed5Width440mmTypeBoilers - CombiSolar CompatibleNoNox ClassNOx Class 6Noise Level49 dB(A)Mount TypeWall MountedMaximum Vertical Flue 125mm30mMaximum Vertical Flue 100mm8mMaximum Horizontal Flue 125mm28mMaximum Horizontal Flue 100mm8mIncludesBoiler, Horizontal Flue, Thermostat ControlHeight720mmHeat Output BTU110208Gas Council Number47Fuel TypeNatural GasERP RatingADisplay TypeTouchscreen DisplayDepth386mmDHW Output Min and Max4.5 - 40.8 kWDHW Output40.8 kWDHW Flow Rate at 35 Degree Rise16.3 L/minCH Condensing Max Output32.3 kWSupplier Part NumberVAILECO840HFTHFILTRange DescriptionecoTEC PlusBrand NameVaillant