While parked in a storage facility, my motorhome got flooded during a storm. The water rose to about 3.5 feet, flooding everything housed in the basement ( inverter, converter, generator). Fortunatel...
First thing you should have dome is call your insurance company and let them handle it. Most likely it will be a total loss and the money you spent will be wasted. Even if they do repair it, the coach will never be the same. The electrical components and all associated wiring, if they weren't replaced will give you problems down the road.