I ended up replacing the TEC burner with the standard burner. My father in law did it for me, so I don't know the exact details. The burner was the standard burner for the grill (I bought replacements for all of them at the same time). It was apparently tricky to get the old burners completely out, as some of them (particularly the screws) were rusted. He didn't need any special parts other than the new burner, but he had to use a dremel to clean things up in there. Reinstalling the igniters was also tricky, as they have to be exactly distanced from the burner to work properly. One of mine is iffy now for that reason, but the others work great.
I've had the grill for a long time now and it's going strong. The TEC thing was a bad idea though, the burners just didn't last and cost too much to replace. The other negative about the grill is flare ups. If I grill fatty rib-eyes on there, the fat falls the flame tamer, sticks, and ignites. I replaced the flame tamers with the burners, but the new ones are just as bad. I also wish the grill would get even hotter for searing. The TEC burner did seem to get hotter than the regular ones, but as I said, it just didn't last.