Report "I have an old Fasco heater but it is new and I would like to use it. I need to know which way the grill goes on. It is model 1238 and is a heater with light Data no. 2221-2304 The box is from Fasco Industries, Inc. ,Fayetteville, N.C. The serial no. is 102319 Any help you can give me would be appreciated"