My multi-valve is leaking and after some searching here I believe I need to replace the spider gasket/seal diverter. I've looked on several parts suppliers but I haven't been able to confirm whether or not the gaskets online will fit the model valve that I have. It is a 2" Pentair 27-2120 (pic attached). I've found some gaskets online with part numbers such as 272409 and 271148 but the descriptions don't mention that they will fit my model 27-2120.
Has anyone else replaced the gasket on this model? If so, can you please offer me some guidance as to which part I should order?