I would contact Thor directly and tell them about your situation. They may very well pay for the Mobile Tech or help you find another dealer in the area that can fix your problem sooner.
When I have contacted Thor, been polite, explained the situation and the pain it was causing, I have found they always worked with me.
They have sent me parts so I could do my own repairs under warranty. They ae reimbursed me for parts that I purchased to fix issues that would be covered under warranty.
And for what it's worth..... the challenge with these coaches is your are trying to fit all the systems of your home in a very small and confined area. I do admit they could do a better job in a lot of cases if they took the time to think about it more but in many cases they are just out of room to place certain components.
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