3 way fridges are great when they work…not so great when have to fix em! Biggest killer in those is letting sit. The ammonia or sulferhexafloride nastyness that in em crystallizes and blocks the path of flow. They real simple operation no compressor or fuck all basically a couple heat exchangers, a propane orfice and 12v/115 heater sometimes. Very few and far between they can be brought back with a series of flipping and sitting in different directions to try and get the juices flowing again but it rarely works if all crusty inside pipes
Refrigeration is my gig but I don’t dabble in rV shit, it considered a specialty niche end of the trade because of some specialized equipment needed for charging and then the system is welded closed so there no access fittings. Last I heard there was only one old boy that had the market cornered in BC. I just gave Greg Noble his contact this summer to try and revive a few early westy fridges he had stashed. Not sure if he had any luck yet?
