Sealey infrared paraffin kerosene diesel heater 20kw 230v sealey ir20 infrared heater suitable for well ventilated indoor applications clean burning unit operates on paraffin kerosene or diesel unit produces an impressive 70 000 btu hr 12ltr tank allows approximately 6hrs running time making this unit extremely economical complies with rigorous standards and is fitted with a safety cut out sealey ir20 infrared paraffin kerosene diesel heater 20kw 230v