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  1. NWTennesseean

    Lubricating inside of a 2-handle faucet cartridge

    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...
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