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Thread: What is spec for replacement o ring for Pentair water temperature sensor?

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    What is spec for replacement o ring for Pentair water temperature sensor?

    Successfully re-plumbed the entire pool equipment pad - pump, filter, heater and salt cell, including new unions and adding a bypass loop and valve for the heater - in one sitting, without a single misstep, in less than an hour. Was not expecting that. One problem - a slow, one drop/minute leak from water temp sensor. I'm sure a new o-ring will stop that (the original o-ring is 8 years old) but cannot locate a diagram or parts list for the o ring. Can someone point me in the right direction? Thanks!

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    Mod Squad jblizzle's Avatar
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    Re: What is spec for replacement o ring for Pentair water temperature sensor?

    Take it to Ace hardware and find a similar one.
    Jason, TFP Moderator
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    n240sxguy's Avatar
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    Re: What is spec for replacement o ring for Pentair water temperature sensor?

    Quote Originally Posted by jblizzle View Post
    Take it to Ace hardware and find a similar one.
    Ditto. You'll pay $.32 at the hardware store and $4 if you try to order the actual part number. Plus shipping most likely. I lost the o-ring on my booster pump drain over the winter. $.29.


    30K gallon IG vinyl. 1.5HP 2-speed Waterway Mustang pump. 600 lb sand filter. Polaris 280. Circupool SI-60+. TF-100

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    Re: What is spec for replacement o ring for Pentair water temperature sensor?

    Was the same thing - no Ace in town here, but I'll look elsewhere!

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