ERP (Energy Efficiency)YMaximum Vertical Flue12Years Guaranteed1 year minimum (subject to T&C's)Width470mmTypeOil System BoilerNox ClassNOx Class 2Noise Level51dBMount TypeFloor standingIncludesBoiler OnlyHeight860mmHeat Output BTU90000Heat Output26 kWFuel TypeOilERP RatingADepth603mmDHW Output Min and Max15-26DHW Output26 kWCH Condensing Max Output26 kWBoiler TypeSystem BoilerBTU/h80,001 to 100,000Supplier Part NumberVTXS15/26Range DescriptionVortex Pro System UtilityManufacturer Model NoVTXS15/26Brand NameGrant