tender for heater coils suitable for lhb coaches - hot buffet car as per the followingdescriptions; each set consists of a) 2 kw, 230v ac. spiral heater for cookingplatform with stainless steel casing and ss mounting ring -qty. -01 no. b) 3kw, 230v ac. waterimmersion heater for horizantal water boiler - qty. - 01 no. c) 1.1 kw, 230v, ac, spiralheater for cooking platform with stainless steel casing and without mounting ring - qty. -01 no. all the items should confirm to is:302-2008,suplier shall furnish a sample and get approval before madebulk supply.