Q&A for How to Install a Shower Faucet

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  • Question
    Most of the shower surrounds are 58 inches high. Is it okay to put the shower head above the surround?
    Community Answer
    Our shower head has always been above the shower surround (seems that it would be too low if it wasn't). It works fine!
  • Question
    When replacing my shower faucet, does the new one have to be the same make and model?
    Community Answer
    You should try to get it to be as close to the one you had before, but if this isn't available, then no - as long as it fits.
  • Question
    What do I do if the water won't turn off on the tub?
    Community Answer
    Find the indoor water valve. It should be in the basement, garage, or in the closet with your water heater. Turn off the water. Then call a plumber.
  • Question
    Do I have to shut water off just to change shower hot and cold knobs?
    Jesse Lewis
    Community Answer
    If the knobs fit the valve that are already installed, you can simply swap them out. The water only needs to be shut off if you are disconnecting a supply line.
  • Question
    What do I do if the hot water and cold water lines are inverted when installing a shower faucet?
    Jesse Lewis
    Community Answer
    If you are unable to move them from one side to the other, you may be able to swap the knobs on your faucet to match the water. Otherwise, there is no way to change if it is a single-handle faucet, and you will just have to remember which way to turn it.
  • Question
    Can I use CPVC on copper fittings?
    Jesse Lewis
    Community Answer
    The CPVC fittings cannot be glued to the copper pipe, as it will not adhere properly. You can purchase fittings made by companies such as Sharkbite that offer the ability to connect to either type of pipe, but they can be a bit pricey.
  • Question
    What should I do if only the spout needs to be replaced?
    Jesse Lewis
    Community Answer
    The spout screws onto a 1/2 inch threaded line, and most hardware retailers carry an option to just purchase the spout separately.
  • Question
    How do I remove the flange on my old shower wall?
    Jesse Lewis
    Community Answer
    If the flange has no visible mounting hardware, then it is more than likely just glued or caulked to the wall. Insert a paint scraper or some other thin object behind it or into the caulk and pry.
  • Question
    My hot water tap is only dispensing cold water. What should I do?
    Community Answer
    You should check that your water heater is on and working. If it is okay, you should check that the cold and hot water lines to your hot water tap aren’t mixed up.
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