While you wait for answers, we may have found some information which could help you.
Click here for Carver Cascade 2how to remove screws from inspection plate that are rusted solid?
How do I fix my Carver Cascade rapide water heater?
whats wrong with it?
how can I re-connect the wires in the control box of my carver rapide ge?
Carver 2 water heater fast drain valve?
Carver cascade 2 water heater?