The control for the floor heat of my 1998 Newell is no longer available on the market. Any suggestions on how to solve issue.                Paktronics. Part # P14A0318440. 7135037.

We have a 1997 Newell with a HWH living room slide-out.  We have the floor that goes up and down as the slide goes in and out.  It started to come up crooked on the dinette side where it ended up about an inch lower than it should be on the stationary side of the coach.  See picture.  We spoke to Newell and they feel it could be a worn out bushing located under the floor under the couch. 

Has anyone had to find the bushing they may be talking about?

Thanks for the help!