5020-136

The “Jandy SHPM2.5 2.50 x 1.04 = 2.60” & “A.O. Smith 7-193995-07 Y56Y”

Hello Nickie - Thank you for contacting Inyo. Part number 5020-136 is the correct backplate o-ring for the SHPM2.5. Let me know if you need any additional parts.