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You might be right and just replacing it. There are some size restrictions, so replacing it will most likely mean with the same unit. If you have time to investigate other options look at the drawer fridge freezers. I know several of my old truck camper buddies installed the drawer type and were very happy.

I guess my concern is that getting a mobile tech to come look at it will cost what a new one would, and then I would still have to buy the new one. (Facepalm) Some people are scared of spiders, I’m scared of hiring skilled professionals 😆

That is a bummer to have to deal with. Sorry this is happening. A mobile tech that is licensed by Isotherm would be a good direction to try

When we purchased the trailer the previous owners included the Chinese knockoff fridge freezer cooler that they used to keep food. As LE I owners we didn’t think much about that since we were used to the Tri Fuel and the small amount of space. We should have tested the fridge more. Our first trip to Colorado we pretty quickly learned to not keep anything we expected to be food safe in the Isotherm.

Unfortunately we purchased 1364 from the original owner, so no factory warranty for us. Jason looked at it when we were at the Texas Rally last year and suggested possibly putting additional insulation in the wall behind the fridge. I also got advice on recharging it. I thought I would have to put in a pin valve but I found the artfully concealed recharge port under the shrink tubing and tape. I can’t even find anyone who will work on the thing (as hard as it is for me to admit I am out over my skies on this). I called the Isotherm dealer in Dallas who basically said they did not do service but if we wanted to roll the dice again and buy a new one they would be happy to help. Currently it’s 77 in the evening here in Central Texas. The camper interior is 78.2 and the fridge is 60. The high point for the day (84 degrees high) was 62 - not sufficient to keep food safe. The overnight low on the fridge interior was 52. I must admit I am stumped.

If this has been occuring for sometime and you have a 2023 trailer, this should have fallen under warranty. Did you enter a service ticket with Oliver? Did you call Isotherm and get support. Most warranties on appliances are for 2 years, which means it should still be under warranty. This doesn't make any sense. Can you please share what Oliver shared and what Isotherm technical support and their warranty department said. Isotherm is a reliable work horse in the RV industry, and they have a great track record.

That’s weird, maybe an issue with the compressor? Our isotherm works great. Have you always had this issue with it?

Thank You edit Fantastic , we have the Xantrex 3000 inverter and the lithium pro 3x130 ah , not sure if we can heat water on the inverter but we kinda always thought using the electric heating element if we had shore power and propane if we didn’t have shore power had no idea that I was so smart that I had turned on the water heater using both gas and shore power and didn’t even know it ! appreciate the help !

I have recharged, insulated, etc etc this Isotherm “not a fridge” in hull 1364. Still not a fridge. At best it takes 10 degrees off ambient. Has anyone replaced the Isotherm with a Dometic or any other fridge that works? What model and mods were needed? Need to figure this out because hauling a extra dometic cooler to replace the fridge when the weather is above freezing is getting old.

Your 1/0 cable is huge. I added 4 AWG B+ to alternator and B- to frame for the addition of the DC-DC charger. An automotive alternator is already grounded through the engine and the engine has ground strap(s). My batteries only had a 6 or 8 AWG ground wire and same lighter gauge for the alternator connection to B+. Yours should be excellent as-is!

The 1/0 Gauge ground cable (shown) from alternator mount to B- and a like size alternator+ to B+ are two of the ‘Big 3’ players recommended by Mechman with their high output alternators. The Savana already had a robust ground cable from B- to engine block to include a fine stranded braided cable split to frame for additional grounding. Would there be any benefit or need for another ground from alternator mount to body?

Very nice Ron! You can see the smaller pulley will spin the HO alternator twice as fast. Also, the additional ground will provide less overall resistance for your DC-DC charger!

OK. If you have the electric switch on the outside in the "on" position and then turn the water heater switch that is inside the Oliver to the "on" position AND you are plugged into shore power, you will have BOTH electric and propane "on" at the same time. This will actually heat the water inside the Suburban faster than either of the two would heat it alone and it should not "harm" either heating system. If you are not connected to shore power then having the outside electric switch in the "on" position will not do anything since unless you have modified the original 110 volt wiring inside the Oliver. Bill

The interior switch turns the HWH on LP only (located under the pantry, in our hull). To turn the Suburban HWH on by 120VAC shore power, there is a switch outside. You have to open the exterior cover plate and you should find it in the lower left corner, a bit hidden by other hardware. See @Mike and Carol's post above. He leaves it on and when connected to shore power it would automatically turn on by electric power. When they boondock, then he would would flip the interior switch to power by LP. Nobody has been able to explain on this forum how OTT wires the Lithium Platinum package which I assume includes the 3KW Xantrex inverter/charger. Is it wired to ALL 120VAC circuits? If so, and if you have the Suburban HWH with dual AC/LP capability, then YES, you can run it off inverter as I explained in my first post above.

You could certainly use one of those 2 CATV ports. They are quite easily accessible in the basement once you unscrew the covering flexible wall board. You could then drag a cable up into the attic space which also has AC power if needed. Craig *(Hull 505)

Suburban 6 gallon

John - With the relatively low height of the Oliver, I've never had a "problem" with height for overpasses and/or bridges. Since I travel alone a fair percentage of the time, I find that the large screen of the Garmin 890 really helps, plus, I don't use and of my cell phone data with the Garmin. Also, the Garmin will automatically re-route me in the event of an accident or road closure or simply heavy traffic (if it determines that there is a quicker route available). Having said all this - I do also use the Ford Navigation on longer trips. There have been a few times when arriving at an intersection, the Garmin and the Ford do not give the same directions. If I'm not familiar with the roads and/or where I'm headed, I'll usually default to the Garmin. Bill

Miss-print: Suburban. Too bad not connected to inverter with endless southern New Mexico solar charging.

Tideline77 - Which water heater do you have?

I’m still learning but every time I turn on the outside water heater switch an$ then go inside and turn on the inside switch it always starts on propane how does one go about getting the water heater running on shore power ? 😕 I’m dumb

I don't have an RV specific GPS but I have been in areas where there was no cellular service, the on-board truck navigation ( based on cellular ), Google maps, and Apple Maps would not work as a result. I'm glad that I had my old Garmin GPS. I would imagine that an RV specific GPS would be helpful. I know that maps can be downloaded and used off-line but I never seem to be able to remember to do that.

Is your HWH a Dometic or Suburban? I believe what I have is a Suburban hot water tank. It is not connected to my inverter. If we don’t have 110v we run on propane. The outside switch is usually left on so that it kicks on when we hook up to electricity. Mike

Have you found it necessary to have an RV Garmin or is it just superfluous given that Google will give you directions too? I would think it might come in handy to not take you on a road with a low overpass or bridge structure. John

See you at the Ralley!

Yes I also have the (2022) Platinum Package and never tried to run off the batteries. I planned to do the "test" you suggested when we returned home, but got lazy last night and posted the question.