I have never heard of an rv being covered under a lemon law .
If it needs to be repaired for months at a time, what other choice do full time rv people have but to rent an apartment ? Parts will be an issue during covid shutdowns.
Im sorry about your problem but rv’s are not quality items. It doesn't matter how much you spend on one. They ALL have the same problems. Its how the industry works !
These things are not built by skilled craftsmen. They are ‘assembled’ by young underpaid laborers assembling computer generated parts.
It’s economics, when loan rates are low, people borrow money and spend it . The mfg’s push their assemblers to NOT work quickly but work very very quickly to push units off the assembly line . There is a lack of quality control , problems recur and dealers become overloaded doing warranty repairs.