Draper 19750 Diesel Heater 30KW / 102.4KBTU. Designed for use in open and semi-open environments. Direct combustion of fuel as exhaust gases are mixed with air to give high heat output. Clean burn in the stainless steel combustion chamber. Dual fuel filters and fuel gauge to monitor consumption. UV flame safety device with overheat protection and automatic ignition. Fitted with connector for use with external thermostat controller which is available separately.