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Thread: Price Pfister Diverter problem

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  1. #1

    Default Price Pfister Diverter problem

    I replaced the diverter stem on a PP because the old one was not diverting all the water to the shower head (over half the water was still running down the tub spout.) The old stem had a crack in the washer so I thought replacing the whole diverter stem would solve the problem but over half the water still runs out the tub spout even with the new stem in place. Any suggestions would be appreciated.

  2. #2
    Master Plumber Redwood's Avatar
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    Did you replace the seat?

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    Plumber jimbo's Avatar
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    Did you get the proper diverter stem with the white nylon diverter washer in behind the nose of the stem?

    Might try removing the diverter stem, checking the nylon washer, and then reinstalling to make sure it all seats well.

  4. #4

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    It is the exact stem and the nylon washer is behind the nose of the stem (that was the washer that was cracked before.) I did not replace the seat. It looks like you need a special tool to remove it? I also removed that new washer and put it in the old stem but that didn't help either.

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    Master Plumber Redwood's Avatar
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    You need to replace the seat! Yes, you need a seat wrench set to do that!

  6. #6

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    Thanks for the quick replies. I'll try that.

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    DIY Junior Member Coreyrocknroll's Avatar
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    Did you get the proper diverter stem with the white nylon diverter washer in behind the nose of the stem?

    I am having the same problem as this guy. Can someone please educate me on the “nose” of the stem terminology? I am missing the nylon diverter washer and I want to make sure I purchase the proper one and install it correctly. Thanks

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    Plumber jimbo's Avatar
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    By "nose" I mean the very tip of the stem. On PP and others, that end looks just like the hot/cold stems. There is a rubber washer attached with a screw. On the PP, and others, that rubber washer seals when you turn the diverter in Clockwise for TUB function. It stops any water from going out into the shower pipe. Behind the nose, is the nylon washer. When the diverter is turned CCW, for shower function, the nylon washer is pressed against a surface inside the valve body, such that water is blocked from flowing to the passage which leads to spout.

  9. #9
    DIY Senior Member asktom's Avatar
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    I agree with Pp. Another possibility is that the leak past the diverter washer has gone on for so long that the surface it seals against is eroded. I have run into that before and was able to overcome it by sustituting a 3/8" union washer for the diverter washer. It is thicker and soft so it mashes in and fills the gap. The Larsen supply number for the 3/8" union washer is 02-2004, but is available from others with different numbers. Get a couple if you find them, they may not last as long as the nylon original. That said, I think Pp is probably correct.

  10. #10
    DIY Junior Member Coreyrocknroll's Avatar
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    So when you say there is a nylon (diverter) washer "behind the nose" Is the diverter washer attached with the same screw that holds the rubber washer? Please excuse my ignorance. Thanks for your help Jimbo.

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