We have the original options list for the boler and it shows three fridge's available. We have the cheapest option included model. Basic setup is same in back though. See you have a RM36 the vent kit sheet included in original documents shows RM36 vent kit was used for the RM382 fridge as well.
Earlton Manufacturing CO. LTD
options and accessories sheet prices effective June 20th 1978
We also have the original
Fridge with diagrams
Wiring diagrams for Bargmand 6 and 7 circuit 12v connectors
Dometic roll out awning
installation and adjustment docs for that option
Allanson Power Converter documents shows wiring diagram and that battery
charging was an option.
Did not know we had these found while looking for new replacement furnace
My wife Carole is great she saves everything.
What year is your trailer?