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Hi all, Over the past 2 years I have had issues with Spider Gasket failure (5 times) - Pentair Multiport side mount 2" Sand. I occurs over time after backwash, waste or rinse operations... Before asking, YES to all below: Turn off the pump before rotating valve Always rotate in same...

I have a Pentair Multiport Valve - Side Mount 2" It is about 8 years old - Valve Model Body SM-20-3 Valve Assembly Model SM2-PP3 I cannot locate this valve by these numbers on Pentair website - I need to know the part number for the SPIDER GASKET. Any help appreciated!

I have had an unusual loss of water, and had determined after some investigating that I was losing water to my French Drain line. (No other obvious leaks - Am also only losing water with pum running) Specifics: 15K Viking Fiberglass IG Pool - SWG (Pentair) - Pentair Pump - Triton Sand Filter...

Hi - New to TFP... Second year with Saltwater Pool, and decided to use a Solar Blanket this summer to help keep water temp more comfortable. Last year, I could set IC-40 at 60% output and chlorine levels were perfect all summer. This year, high Chlorine levels (ie: 5 - 10 ppm) despite...