THIS IS 100% AUTHENTIC AND GUARANTEED TO FIT YOUR IMPERIAL RANGE STOCK POT UNIT OEM #2103. WILL FIT IMPERIAL MODELS #’s ICRA-1, ICRA-2, ICRA-3, ICRA-4, ICRA-5, ISPA-18, ISPA-18-2, ISPA-18W, ISPA-18W-2. It puts out 90,000 BTUs. It will fit the following manufacturers.. ROYAL RANGE PART #1202. IMPERIAL RANGE PART #2103. RANKIN DELUX PART #SSPR-02.