Diesel paraffin space heater sip 09047 professional fireball 1645s is a powerful 164850 btu 481k w sip diesel heater designed to heat an area up to 1154m 41214 cuft this professional quality heater is packed full of features to ensure you get the best quality machine for you money the stainless steel combustion chamber and casing eliminates rusting and the heavy duty construction means reliable long term use ideal for heating factories warehouses garages and workshops the large 42 litre fuel ta