Why is my new shower not getting hot?

If the water in your shower isn’t getting hot, the problem could be the temperature control on the water heater. If you have an older unit, the cold water supply dip tube could have deteriorated. In that case, a worn-out dip tube could send cold water up to the hot water feed pipe, resulting in no hot water.

Why is my new electric shower cold?





If your shower is going hot and cold, it’s usually caused by not enough water getting to the shower. So first of all check that the valve coming into your house is fully open and the valve on the line to the shower is fully open.

Why is hot water not working in shower?

The reason why you’re not getting enough hot water from your shower could be because the mixing valve isn’t working. The rubber parts found in the mixing valves get worn down over time, and you will need to replace it.

Why am I getting hot water everywhere but the shower?

If you’re getting hot water everywhere but your shower, it could be that your anti-scald device is set at too high a limit. Anti-scald devices (also called a “hot limit stop” or “rotational limit stop”) are safety features that most faucets have.

Why is my shower lukewarm?

Your Thermostat Is Set Incorrectly



Inspect the thermostat, which controls hot water heater temperature. If someone has recently changed the setting, that could be the reason behind your lukewarm water woes. However, if the temperature setting is correct, the thermostat itself might be broken.

Why is my shower water cold but sink hot?





What’s most likely happening is a problem with the shower’s mixing valve. The mixing valve is a control valve that creates the balance in the flow of water from the hot water line and the cold water line and blends the two together for your desired shower temperature.

How do I fix the water temperature in my shower?

Adjust the Shower Valve

  1. Remove the handle. You may need a screwdriver to do this.
  2. Take off the metal cover beneath the handle, exposing the valve stem. …
  3. Turn the RSL two notches in whichever direction desired, then put the RSL back in place.
  4. Replace the faucet handle, then test the mixture of hot and cold water.


How do I make my shower hotter?

Quote from the video:
Quote from Youtube video: And then simply twisting the knob a tiny bit. If this does not solve your problem by increasing the water temperature. You may have a bad water. Heater.

How do I adjust my shower mixing valve?



Quote from the video:
Quote from Youtube video: And you can test it out see how hot it is and adjust it to where you want and then put your little faucet ring and cap back on so like I said that's how you make your water hotter.

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.

Why is my shower either really hot or really 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.

How do I test my 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 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.

How do you tell if a mixing valve is bad?

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.