Hi - I've been working on clearing up various leaks around my filter and with the help of my very experienced pool guy have eliminated all options except replacing the whole multiport valve. There are a couple of hairline cracks in different parts of the housing that can't be repaired. Now the problem is I can't find an exact replacement for part # SP-0710G. Not sure where to go for further help so I'm posting here. Any suggestions? Thanks!
You might want to contact Inyopools. Based on their info below, it appears that valve was primarily made from '69-'75, but it looks like they have a replacement item. Or they can point to you other suitable replacements that will do the job. Good luck!