Honeywell-Resideo
Resideo now makes Honeywell fan & limits.
https://manuals.plus/resideo/fan-and-limit-controllers-manual#axzz8TeX6DdsJ
Complete installation instructions above:

Fan and Limit Control   
L4064B2228        

Other sellers on eBay are selling controls that are 20 to 30 years old and indicating they are new
 
Of course we only sell brand new factory fresh controls with current date codes.           
   
5” Insertion depth                          
Replaces
L4064 A & B & E & L

Brand New! 

Product Specifications:
Description Fan and Limit Controller with 125 F fan on and 100 F fan off stops, 
200 F high limit stop

Application Forced warm air heating systems
Limit Temperature Range (F)100 F to 250 F High Limit Temperature 🤒 Range (C)38 C to 121 CElement Insertion Length (in.)5in.Fan-on Range (F)65 F to 215 F Fan-on Range (C)18 C to 102 C Fan-off Range (F)50 F to 200 FFan-off Range (C)10 C to 93 C High Limit Stop (F) 200 F Fan-on Stop (F)125 FFan-off Stop (F)100 F