19"  Fan Types
Description	Code
19" 2 Fan Units+ On/Off Switch	TRD 192FA
19" 4 Fan Units+ On/Off Switch	TRD 194FA
19" 6 Fan Units+ On/Off Switch	TRD 196FA
19" 2 Fan Units+ On/Off Switch + Thermostat	TRD 192FAT
19" 4 Fan Units+ On/Off Switch + Thermostat	TRD 194FAT
19" 6 Fan Units+ On/Off Switch + Thermostat	TRD 196FAT