The problem could just be an old, faulty shower lever, in which case you should try replacing it. But if you have a relatively new faucet, take a quick look at your shower set up. Is there a single-control lever? If so, it most likely uses a pressure-balancing mixing valve, which could be the culprit.

How do I fix the water temperature in my shower?


Quote from Youtube video: The water temperature on a standard Delta valve this shower it doesn't really get hot it gets kind of on the upper side of warm.

How do you fix the water temperature in your shower when it’s always either too hot or too cold?





Replace the Faucet Cartridge Altogether



“If your shower has no warm range, but goes from very hot to very cold, it’s probably time to replace that faucet cartridge. Many manufacturers guarantee their cartridges for life, and they’ll ship you a new cartridge for free.

What causes inconsistent water temperature?

Since the average residential water heater uses a 50-gallon tank, there is a chance that your inconsistent water temperature is due to insufficient tank size. This is especially true if you regularly have more than one shower running simultaneously or if you have installed multiple shower heads in a single shower.

How do you fix a shower mixing valve?

Quote from the video:
Quote from Youtube video: Turn it on full cold you have full pressure yeah full hot you've got full pressure but right in the middle where you want it mixed right the pressure dies down dramatically.

How do I know if my shower valve is bad?

How to tell if your shower cartridge is bad:

  1. Dripping or running water when you turn your shower off (most common)
  2. Difficulty turning the shower handle, which worsens over time.
  3. Shower handle gets stuck or “slips” and doesn’t turn on the water.





Where is my shower mixing valve located?

You can see the trim on the shower faucet, but the actual valve is behind the wall and is permanently connected to the plumbing. To replace it, you need an access panel through the shower wall, and if it isn’t designed into your bathroom, you’ll have to cut one.

How do you fix fluctuating water temperature?

Shower Water Temperature Keeps Changing

  1. Check Your Pressure-Balancing Valve.
  2. Check Your Water Heater.
  3. Replace the Shower Cartridge.
  4. Descale the Water Heater and Check for Blockages.
  5. Why Your Water Temperature Keeps Fluctuating.
  6. Conclusion.


How do you know if your mix valve is broken?



3 Signs Your Thermostatic Mixing Valve Has a Problem

  1. Your water temperature isn’t right. If a TMV valve stops working correctly, then you may notice that your hot water suddenly starts to run hotter than it should. …
  2. Your water doesn’t flow normally. …
  3. You have leaks or drips.


How much does it cost to fix a shower valve?

The national average materials cost to repair a shower valve is $50.80 per valve, with a range between $47.53 to $54.07. The total price for labor and materials per valve is $243.64, coming in between $221.88 to $265.40. Your actual price will depend on your location, job size, conditions and finish options you choose.

How do you fix a thermostatic mixer shower?



Quote from the video:
Quote from Youtube video: You will need to remove the handle prong to access the grub screw on the thermostatic. Handle remove the temperature stop ring with the shower in the on position replace.

How do I know if I need a new shower valve?

The first issue to look for is if there are any leaks in the valve when you turn on the water. If there are drips, that’s a good indication that you should think about replacing the valve. Because, not only are you wasting water, but water that leaks behind the wall can cause rot as well as mold and mildew growth.

Can a shower valve body go bad?

Shower valves can get damaged, you have to get a replacement immediately to prevent water from leaking out completely. While this is a serious concern, you can fix it without seeking the help of a professional plumber. All you need is to pay attention to details and make sure nothing is left out.

Can a shower valve go bad?

Hot water mixing valves can incur damage such as corrosion over time. If you have a clog your best bet is to start over with a brand new hot water mixing valve.

How much does it cost to replace shower cartridge?



between $200 and $400

On average, it costs between $200 and $400 to replace a shower cartridge. Various factors impact the replacement price, including labor, parts, and location. If you’re looking for a more accurate quote, then contact a plumber near you.

How do you test a shower valve?

After the shower head is installed (and the tub spout, if using a combination shower and tub valve), turn on the cold water and let it run for 10 to 15 seconds. Then do the same for the hot side. If testing is being done with air, the procedure is the same.

How long should a shower valve last?

A good-quality shower faucet cartridge will last as long as 20 to 30 years. With regular maintenance, it can serve you for the foreseeable future. There are plenty of signs of a cartridge needing to be serviced or replaced. Among them is when you have a drip or running water after turning off the handle.

How much does a plumber charge to replace a shower faucet?



The national average materials cost to install a shower faucet is $249.08 per faucet, with a range between $147.27 to $350.88. The total price for labor and materials per faucet is $562.02, coming in between $430.43 to $693.61.

Does a shower cartridge affect water temperature?

Replacing the shower cartridge is often the best way to fix inconsistent water temperatures.