Response to Hello, Ron. Yes, the Gasket, Diverter 1 1/2in (e-12-s1 1 1/2") - 271104 InyoPART # 4600-1104 is the replacement for the Pentair - Praher 1 1/2" TM12 & SM10 models. Don't forget the Adhesive For Valve Seat Gasket (81731) and our How to Replace a Spider Gasket on a Multiport Valve

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