The perfect solution for heating large buildings without central heating systems the hp145 waste oil heater combines a high thermal output with efficient fuel usewith virtually soot free operation the heater runs on most engine oils mineral or synthetic heating oils gear oils hydraulic oils plant based oils used frying oils or dieselmain features variable thermal output 30 42kw 102 420 btu ndash 143 406btufan assisted x2overheating and oil overflow protectionmade in the eusu