"No, I DO understand the basic principle of an absorption type unit. Not intimately, but I do better than most RVers. But my understanding of the RV refrigerator has nothing to do with this. You are missing the point of my questions. What I would like to know are more data related to how long out of level, how much out of level causes the problem. In the video, they tipped the unit around 20 degrees to demonstrate temperature rise. GOOD GRIEF! If my RV is tipped 20 degrees, I have more of a problem than an overheating refrigerator! I sometimes park on a slope for a while before I get it level, maybe 2-4 degrees. How does this affect the temperature? I pull a little nose high for long periods - maybe 1-2 degrees. Does this cause a problem severe enough to justify adding another system to the RV?
There are two questions here - fire hazard and longevity of the unit. I want to know the data for both it".
Fire Hazard is extremely rare. I know the doomsayers on these forums talk about the Norcold 1200, but ACTUAL DATA or ACTUAL reports on the Leaking CU caused a fire is almost non existent. It always seems some Fire official that has NO training will state without proof that the refer caused the fire. OK, The REFER caused the fire. But what WAS the cause? Birds nest caused the LP flame to ignite? Leaking LP at the various connections caused the fire? Short in the 120 wiring?
Now Longevity---How long unlevel? ANY time unlevel will cause a microscopic blockage. OVER time, all those times you were out of spec off level, those Microscopic blockages accumulate and cause cooling problems. THAT is one reason the ARP is a good thing to have. I don't have "data". Just 37 years of training and working on RV refer's and systems and numerous hands on Factory training by Norcold and Dometic. Doug