Helloo there,
Well here are a few
http://outdoorcooking.manualsonline.com/manuals/mfg/uniflame/uniflame_gas_grill_product_list.html

You REALLY need to get the exact model number and search online for it or try here for a start to your quest
http://www.grill-parts.com/uniflame/models/uniflame-grills-main.htm