The GeneralAire 4790 is the correct transformer for the following air cleaner models:
The General Aire 24v Transformer R2-053D is a replacement transformer for the GeneralAire Model GA52F32 Grill Mount Air Cleaner. The GeneralAire R2-053D transformer is installed inside of your GA52F32 air cleaner next to the R2-055D power control board. The GeneralAire 4790 24V transformer is a crucial electronic component that will have your grill mount air cleaner operating at peak efficiency.
General Aire 24v Transformer R2-053D specifications: