Hello PO9R4S4CHE,
Thanks for the reply. I'd welcome any help on the burner dimensions, and I appreciate the fact that you are in the US as am I (Michigan) and try my best to avoid using metric measurements. In my mis-spent youth I was a toolmaker/machinist and all of my calipers and micrometers are in inches. But + or - 1/32" dimensions would be adequate for fabricating the burner tank.
The firebox opening on the 130/280 measures 2 3/8"wide x 1 15/16"high, if yours is similar then we're in business.
Dan