Lubricating inside of a 2-handle faucet cartridge

Discussion in 'General Plumbing Help' started by NWTennesseean, Nov 4, 2019.

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  1. Nov 4, 2019 #1

    NWTennesseean

    NWTennesseean

    NWTennesseean

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    Is it ok to take apart a 2-handle faucet cartridge (Delta, Valley, etc) and put silicone lubricant on the inner stem and also on the inner o-ring that the stem goes thru? Or is it best to leave the innards alone and just lubricate the exterior o-ring and seat? I know the stem turns within this inner o-ring, but am not sure if the stem turns while the o-ring stays in place, or if turning the stem also turns this inner o-ring along with it, or does it matter. I was just concerned if I lube'd the o-ring and it's meant to be stationary during turns (i.e., the stem only turning within the o-ring), that this would cause it to slip around (turn) along with the stem unintentionally. I am probably over-thinking this, but wanted to ask. The primary motivation is to protect/lengthen the inner o-ring's life and ensure easy turning of stem, particularly on the hot water side. Note this is the small inner o-ring, not the larger one on the outside middle. TIA.
     
  2. Nov 4, 2019 #2

    Jeff Handy

    Jeff Handy

    Jeff Handy

    Pro Handyman, NOT A Pro Plumber

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    You can put silicone plumbers’ grease anywhere in there.
    Just put everything back together in the right place.
    Take pictures before you pull things apart.
     
  3. Nov 4, 2019 #3

    NWTennesseean

    NWTennesseean

    NWTennesseean

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    Thanks for confirming! It's a pretty simple 2 piece, top and bottom. I looked all over YouTube for anyone lubricating the inside of a cartridge, where it seems most squeaking would come from (other than the cartridge bottom moving across the rubber seat).
     

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