I’m not familiar with the ptg’s . If you give us more insight into what you are looking at, we might be able to help decipher what you are trying to accomplish.
Amazon also indicates that the part is also compatible with the BAC236 controller.
There are also BAC365 and BAC389 controller that might also fit. The BAC389 comes with a RTD temperature probe and allows connection of two meat probes.
I have an Ironwood with the D2 controller, so I have no experience with either of these controllers. You might want to remove the existing controller from your grill and check the wiring to make sure you get what you need.