... 3,A wide range of applications WNS series antomatic oil/gas fired hot water boiler http://shwellink.com/homeru. ... room through the chimney into the atmosphere. World famous boiler burner configuration, using automatic combustion ratio adjustment, automatic regulation, procedure ... ≥88≥90≥90≥90≥90≥90≥90 Fuels Available/Heavy oil, light oil, natural gas, liquefied gas, city gasOil (gas) consumptionKg ...