Middle knob leaks when I turn shower on what do I do?

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Originally Posted by mbrand

middle knob leaks when i turn shower on what do i do?

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Hi mbrand and Welcome to The Plumbing Page. At AskMeHelpDesk.com. You're responding to a 6 year old dead thread so I gave you one of your own. Look in then upper left hand corner of the first post form the date in the first post before you post, Thanks,
If it's leaking from the stem just below the knob Remove the knob and the chrome cover plate. You will see a nut on the stem. This is the bonnet packing nut. Now turn the shower on so the leak starts and snug the nut up until the leak stops. CAREFUL! Don't over tighten. Good luck, Tom