Part Number Nomenclature

We often get questions similar to the following from our customers:

"Why did you send me a 47204-076 when I ordered a 47204B876?"
"I have a rooftop model 48204A879, what can I replace this unit with?"

Let's see if we can help clear a few things up about these often confusing model number differences.


What do the model numbers mean? 

Historically, the manufacturer uses the characters in a model number to decipher the specs and oftentimes indicate vendors of parts used inside that particular unit. The chart below

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