I see them on eBay on occasion. As rare as they are it's funny that when they show up they don't bring much of a price. I managed to find & buy a pair from Roger Kaster [email protected]. He restores heaters. You might send him a note & see if he can help you out.

Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.