GTO RB566 Transformers / Mighty Mule RB566 Replacement Transformers
Transformer, 18 Volt/20VA, PRO1000 - UL ONLY
For PRO1000 after March 2000 UL325 changes
For Mighty Mule after March 2000 UL325 changes
Use this transformer for all newer PRO1000 and Mighty Mule FM250, FM700 / FM702 operators. They will have a warning beeper feature built-in to the control box, whereas the older ones do not. Number of cycles per day usage does not matter.