SIP 09004 Professional Fireball 61S stainless steel heater is ideal for heating garages, workshops, warehouses and factories. The stainless steel combustion chamber and casing eliminates rusting and the heavy-duty construction means reliable, long-term use. This heater is for use with propane gas only and produces a 52,000 BTU / 15.3kW output. SIP 09004 is lightweight and compact design with automatic gas shut off, piezo ignition and is turbo fan assisted. Comes with a 2 year warranty manufactured in Italy.