The GeneralAire 4753 is the correct replacement transformer for the following air cleaner models:
The GeneralAire D1-053D Air Cleaner Transformer is a replacement transformer for the GeneralAire GA50A14, GA50A20, and GA50A22 Electronic Air Cleaners. The GeneralAire D1-053D transformer is a crucial electrical component within your GA50A air cleaner that fits onto the power supply. The GeneralAire 4753 24V transformer is an OEM replacement part that is very durable and versatile.
GeneralAire D1-053D Air Cleaner Transformer specifications: