Going from a Norcold 1200, trying to make a electric one fit

We just installed a Frigidaire 12 cf, and this was an almost perfect fit. I don't know the model # for the old one or the replaement. We had an 8 cf Dometic 2 door. Beware that Frigidaire and others won't honor the warranty once you install it in an RV. I believe Samsung will. I couldn't find a Samsung to fit, so went with the Frigidaire 12 cf - $491.00.