There could be a few reasons why your kitchen sink is not getting hot water. It could be caused by a failure in the faucet cartridge, an issue with the water heater, or a blockage in the faucet. Examine each possible issue until you find the one that is causing the problem with your kitchen sink.

Why do I have hot water in my bathroom but not my kitchen?

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.

How do you fix water that won’t get hot?





First things first…

  1. Bump up the thermostat. Ideal operating temperatures for hot water heaters are between 122 and 140 degrees Fahrenheit. …
  2. Check the forecast. …
  3. Relight the pilot light. …
  4. Fix a faulty thermocouple. …
  5. Rekindle a blue flame. …
  6. Inspect the gas line. …
  7. Restart your water heater. …
  8. Reset the circuit breaker.

Why is my hot water not getting hot just warm?

Sediment build up in the tank



Over time, sediment can build up in the bottom of the tank, where the burner usually is. This can lead to slower heating or poor efficiency in your water heater, meaning lukewarm water rather than hot water. The solution for this is to drain the tank and to use a water softener.

Why do I have hot water in my sinks but not my shower?

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.

Why am I getting hot water everywhere but the shower?

The Shower Mix Valve



If the valve or cartridge is damaged or broken, then it may not mix the water properly. This may keep your shower cold, no matter how much hot water you ask for. Although, the problem can also be the other way around, keeping the water hot no matter how much cold water you ask for.

How do I make my kitchen water hotter?





Adjust the water mixture. Some faucets have two small adjustment screws underneath the handle. The screw on the left controls hot water, while the screw on the right controls cold water. To increase water temperature, either turn the hot water screw counterclockwise or turn the cold water screw clockwise.

Why is my hot water not working but my cold water is?

If you have good water flow (“pressure”) at hot water faucets, but it’s cold, then the water supply piping is not blocked and the problem is in the water heater itself, or in a mixing valve.

Why is my hot water luke warm?

As water collects inside your hot water heater to be heated, it’s common for debris in the water—like sand, dirt, and minerals—to settle at the bottom of the tank. As the particles collect on the bottom of the tank, the water heater can’t effectively heat your water, resulting in lukewarm water only.

How do you adjust a mixing valve?

Quote from the video:
Quote from Youtube video: You want to turn that towards the plus symbol. That's going to allow more hot water to come into the mixing valve. And then to all your faucets your shower.

Why does only half my house have hot water?



If you have only one water heater, and that heater and the bathroom in question are on opposite sides of the house, it’s possible the water is cooling too much before it reaches the bathroom. An inspection of the path of the hot water pipes can confirm this.

Why is no hot water coming out of faucet?

A likely explanation is that your faucet might be clogged. Over time, mineral deposits build up inside the plumbing fixtures after repeated use. This blockage doesn’t allow the hot water to flow correctly. The problem becomes more prominent when combined with other plumbing issues, such as low water pressure.

Where is the 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.

Where is the anti scald valve located?



Quote from the video:
Quote from Youtube video: This is a standard tub and shower valve up until the late 60s in america it has a hot water pipe inside the wall it goes to this hot valve a coal pipe right here here's your hot and cold handle.

How do you adjust a scald valve?

Turn the Delta anti-scald valve to the left to increase the maximum temperature of the water, or turn it to the right to decrease the water temperature. Each notch on the valve could increase or decrease the temperature between 4 and 16 degrees Fahrenheit.

How do you adjust anti-scald valves?

How to Adjust an Anti-Scald Valve

  1. Turn off the water. …
  2. Remove the handle. …
  3. Remove the valve cover retainer sleeve. …
  4. Remove the temperature stop. …
  5. Reinstall the temperature stop. …
  6. Put the valve cover back on. …
  7. Replace the valve handle. …
  8. Turn the water back on, and enjoy your optimally heated water in the shower!


How do you adjust an anti-scald valve under the sink?



Quote from the video:
Quote from Youtube video: Key you snap the cover off. And then you can adjust the valve from hot to cold to adjust your temperature.

What happens when a mixing valve fails?

Your water temperature isn’t right



Sometimes, a failing TMV makes the water too cold. Or, water may not run at the right temperature consistently. It may fluctuate between being hot and cold. In some cases, a faulty TMV can also affect your cold tap.

Do kitchen faucets have anti scald?

One-handle hot and cold faucets can also come with something called a scald guard, controlled by an adjustable knob. This prevents water becoming dangerously hot. However, if this scald guard is set too high or is malfunctioning, your one-handle kitchen faucet can end up feeling far too hot.