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Thread: Installing a Kohler Rite-Temp bath & shower valve, K-304

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    Forum Admin, Expert Plumber Terry's Avatar
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    Default Installing a Kohler Rite-Temp bath & shower valve, K-304

    Installing a Kohler Rite-Temp pressure balance bath & shower valve, K-304
    Rough in instructions from Kohler with some added tips.

    Most plumbers will remove the cartridge, and solder pipe to the valve body first, and then reassemble the valve. The valve comes with the option to thread on a "female adapter", or to insert copper pipe into the brass body of the valve. I prefer to solder copper pipe to the valve.



    two


    two, The pipe to the tub spout needs to be full size. No PEX here. PEX is undersized for a tub spout and will force water up toward the shower head. Either copper or threaded pipe like galvanized or brass. I use either copper or brass. Galvanized will rust and the first time you open the faucet in the morning, you will get some rusty water.



    three, if you have a back to back installation like below, you can reverse the valve without making the pipes cross over.



    four
    Last edited by Terry; 05-02-2011 at 09:20 AM.

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    Forum Admin, Expert Plumber Terry's Avatar
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    Forum Admin, Expert Plumber Terry's Avatar
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    Forum Admin, Expert Plumber Terry's Avatar
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    Last edited by Terry; 05-01-2011 at 12:47 PM.

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    Moderator & Master Plumber hj's Avatar
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    Default

    One "minor point". Valves which have the option to solder the tubing directly into the valve, have MALE threads, so you would have to use a "female" adapter, NOT a male one, to connect to the valve. And do you really think plumbers or most handymen/DIYers read the directions?

    I just went back and made that edit. It was Sunday, what can I say?
    Terry
    Last edited by Terry; 05-02-2011 at 09:21 AM.

  6. #6
    DIY Junior Member bananavida's Avatar
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    Default K-304-K-NA installed and no water

    I have loads of water pressure however, after installing the K 304 valve and turning on the water nothing comes out except a couple of drips. It's like the flow is restricted somewhere. I removed the pressure balancing unit and confirmed that yup, loads of water pressure.

    Could my pressure balancing unit faulty right out of the box as it seems to be restricting the water flow to the point of nothing coming out?

    I'm at a loss.

    Any help would be appreciated. THanks

  7. #7
    Consultant cwhyu2's Avatar
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    Is it a tub and shower Or shower only? If shower only check restricter in shower head.

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