I'm attaching a link to the letter so you can see exactly what DRV had to say.
Link to letter.
As you can see DRV is blaming the service provider for the problems we have had with our holding tank valves. I wouldn't expect anything different at this point but I am disappointed because it is simply not true.
I'll leave you with this soothing sunrise photo of Mt. Rainier. Rob snapped it this morning while walking with Grant.