Originally Posted by
denman
Has it ever worked OK at this location? Yes for 3-4 years.
Have you tried it disconnected from the vent system? Yes, disconnected right at the back of dryer. No lint clogs or problems. Blows strong.
Have you checked the heating coil to be sure it is not grounded? Installed new one.
have you checked the internal seal in the unit? Internal seal?? Not sure what you are referring to, please elaborate.
The above are all graspuing at straws but you have already replaced the most likely culprits.