These are some very helpful comments and links about the pesky and weak T on the thermostat housing. I want to add my experience in case it might help someone out. Here's the link I created: https://onedrive.live.com/embed?cid=EF5D8AC478EC4219&resid=EF5D8AC478EC4219%21938&authkey=AGS3aLwssyO...