Call Pentair (Pac Fab) support. They should be able to cross ref that number for you.

1620 Hawkins Avenue
Sanford, NC 27330
Tel: 800-831-7133 Fax: 800-284-4151

10951 W. Los Angeles Avenue
Moorpark, CA 93021
Tel: 800-831-7133 Fax: 800-284-4151