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You can go to --> https://parts.cat.com and look up the part numbers yourself. You have to put in your engine serial number to get results. I did this with my serial number and came up with 2 different thermostat part numbers. However, the description does not say the temperature spec for either one.

The first thing that comes to mind would be a call to Coach Glass. They are windshield and window specialists. I don't know if they do screens themselves but they probably know who to refer you to.

On my '97 Ivory that controller is in the electrical bay in front of the left front wheel with all the 12v chassis fuses.

The display on our hotspot has signal strength bars. I just shift the MIMO antenna around until I get the most bars. Usually the antenna should be vertical not laying flat.

oldcobia wrote: ↑Fri Aug 19, 2022 8:18 am Thanks for your input but not much help to question

The answers you've been given tell you that they are not all the same. Mine was not glued or screwed in it was slip fit.
"Safariowner"s was screwed in. Nobody can tell you for sure what your coach has. You'll have to see for yourself.

Mine was just a very tight slip fit. I was able to turn it to line up correctly for the new toilet.

I have one of the Fumoto valves but I'm disappointed. It drips. When I first installed it it would leave a 6" puddle overnight. I drained the oil, took the valve apart and cleaned it thoroughly. Now it only drips a few drops a day. That still makes a significant oil spot under the coach.

The posted diagrams all relate to the house batteries. Two of the large cables are for the house batteries and the other two are for the chassis batteries.
The chassis batteries should be 12 volt 'starter batteries' not deep cycle. They must be connected in parallel.

This info about using the block heater was pulled from a Winnebago manual for a coach with a Cat C7.

above 32F - do not use
15-32F - 2-3 hours
10-15F - 4hrs or overnight
below 10F - 8hrs or overnight

Donaldson has been in the filter business for 100+ years.