I just bought this o-ring. the one that came off is bigger by about .5 inches on the diameter and the cross section is about .2 diameter instead of .125 diameter.
the part number on the valve is 262506

Question

I just bought this o-ring. the one that came off is bigger by about .5 inches on the diameter and the cross section is about .2 diameter instead of .125 diameter.
the part number on the valve is 262506

Lennox H. · Accepted Answer

Hi Gary, The Cover O-ring (358) would be the correct o-ring for the Pentair model 262506 valve.

Question Regarding: Pentair Valve Cover O-ring (O-139)- 271103

I just bought this o-ring. the one that came off is bigger by about .5 inches on the diameter and the cross section is about .2 diameter instead of .125 diameter. the part number on the valve is 262506