Called Newell, and they no longer have the direct replacement available, however, found them at the following location for $9 each, Newell has a substitute, but it entails changing out the pigtails and the cost is about +\- $50 each if I remember right.
Anyway they are available at the following location:
http://www.parrpse.com/page58.html
Ray Penick
96 Newell
Tulsa, OK