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 you fix a fluctuating water temperature in the shower?

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 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.

How do I regulate the temperature in my shower?

Quote from the video:
Quote from Youtube video: Out. You might have to adjust a little bit the handle up and down a little bit in order to when you put the allen wrench in there in order to find the end of the screw sometimes a little difficult.

Why does my shower water keep changing temperature?

This is most often because of an insufficient flow rate. Flow rate refers to the volume of water that can flow through a water heater at any given time. If the flow rate is too low to accommodate your hot water usage, the heater can’t keep up with demand. The result is fluctuating water temperatures.

Why is my temperature so inconsistent?





During the day, your temperature varies as you move, eat, drink, socialize, and change your environment. Because there is so much variation in temperature throughout the day, if you want to measure your overall health status, it’s best to measure your temperature at night when your body is stable.

Why does my shower run hot and 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.

How do you adjust a shower mixing valve?

Quote from the video:
Quote from Youtube video: Which is right here on your faucet you can take care of your Fox if you're a head off here. So just unscrew that a little bit shake it should slide right out there.

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.

Can shower head affect water temperature?



Low Flow Shower Heads Can Save Hot Water:



Believe it or not, the type of shower head you use can affect the temperature of your water making a huge difference in the amount of hot water you have available. Only two-thirds of the water heater’s capacity is usable hot water (a 50-gallon tank gives approx. 33 gallons.)

Why is my shower too hot?

Your shower is scalding hot because the cartridge has broken down or become clogged. This can cause the water temperature to become erratic. To fix the issue, turn off the water supply, unscrew the handle, and remove the cartridge. Replace this with a brand-new cartridge and ensure everything is tightened properly.

Why is my hot water getting too hot?

An overheating electric water heater is a sign of a malfunction and could lead to the unit leaking or breaking down. Common causes of water being too hot include a faulty thermostat, stuck pressure relief valve, sediment affecting the heating elements, or a failing heating element.

Why is my mixer shower too hot?



The usual suspects for this problem are a blocked shower head, kinked or damaged shower hose, or blocked inlet filters in the shower itself. It could also be due to faulty non-return valves. Permanently running either hot or cold.

What do I do if my hot water is too hot?

Try lowering the setting on your water heater thermostat — even if it is already set at 120 degrees. If lowering it still further doesn’t cause your hot water heater to shut down within minutes – or your tap water to cool off within a couple of hours – a malfunctioning thermostat is most likely the culprit.

How do you lower the temperature of water?

Find the access panel for the thermostat(s) and use a screwdriver to remove the panel. Peel back the insulation. Use a flathead screwdriver to adjust the thermostat up or down. If your water heater has two thermostats, adjust both the same amount.

How do you lower water temperature naturally?

Reducing Water Temperature

  1. Keep the aquarium lights turned off.
  2. Make sure the room does not receive direct sunlight.
  3. Remove the hood from the tank (use caution if your fish are jumpers). Also, keep an eye on any cats you may have.
  4. Place a fan so that it blows directly across the water.
  5. Float ice packs in the water.



How do you adjust a hot water temperature control valve?

To adjust the temperature supply remove the plastic cap on top of the valve and adjust with a close fitting spanner. To increase the temperature turn anti-clockwise To decrease the temperature turn clockwise To set the valve to a maximum recommended mixed water temperature, see table below.