If anyone is finding this 16 years later trying to find replacement screws I think I solved it. The new screws are 1/4"-14 x 1 1/2" sheet metal screws. They used to be 20 tpi, but they changed them. After realizing you cannot get machine screws (they style with the blunt end like these are) with 14 tpi. I looked closer at the set of screws I had from pentair (CVASCRJ) and measured them. They come in shy of 1.5" around 1 3/8". By the looks of the end, they are taking standard sheet metal screws and grinding the point off of them to make them flat. Instead of buying their overpriced ones, I will be doing the same. I hope this helps someone in 2025!
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