No Water Coming Out Of Hot Taps

No Water Coming Out Of Hot Taps? Here’s How To Fix It!

Whether you are trying to get the dishes done or plan to shower, finding no water coming out of hot taps can be frustrating. And while the issue seems complicated, troubleshooting gets easy when you know the causes. So, what causes the problem?

You may not get any water from the hot taps when there is an issue with the water heater, piping, faucet aerator, and your home’s water supply system. Generally, a problem with the water heater commonly causes this issue.

No hot water from taps but heating work? Then, you are likely dealing with one or more of the other issues mentioned. Stick with the discussion to get a proper fix.

Why Do I Suddenly Have No Hot Water?

Let’s first explain all the causes properly before getting to the fixes. This knowledge will help you to understand the situation and follow the troubleshooting steps correctly.

1. An issue with the water heater

There could be mineral build-up within the water heater. This build-up might be preventing the water from moving through the hot water lines, which is making you end up with no water on the hot water taps.

Other than that, your water heating might not be plugged in. If that is the case, it is not getting any power, which is preventing it from offering you water from the hot faucet.

2. Build-up within the pipes

Like the water heater, sediments and minerals might have clogged the water lines. And if the clogging is too intense, water will not be able to flow through the pipes, preventing you from getting any water from the hot tap.

3. Blocked aerator

Can’t remember when you last cleaned the hot water faucets? Is hot water coming out of the cold tap? The aerator of the hot tap might be blocked with sediments and mineral build-ups.

Even if the hot water is not seeping through the cold water tap, there’s a chance that the faucet aerator is blocked.

4. Airlock within the water system

Finally, you could be dealing with an airlock issue. In this case, the air is trapped within the water pipes, which might be causing a total or partial block. If this becomes severe, you will not get water from any of the taps in your house.

Hot Water Not Coming Out of Faucet – How to Fix

So, just like fixing a cold water faucet, there’s no need to call a plumber immediately when no water is coming out of the hot taps. Instead, go through these steps –

1. Flush the water heating system

Before anything else, you need to inspect the water heating system. Is it turned on? If not, you have to plug it into the wall outlet and turn its switch on. But if the heater is running, you are dealing with a sediment build-up. Here’s what you can do –

  • Turn the thermostat off
  • Close the cold water supply shut-off valve
  • Turn on the cold water spigot in the water heating tank
  • Open the cold taps and let them run for a while
  • When the tank flushes, rever everything to standard settings

2. Clean the aerator

Still not getting any water from the hot taps? You should clean the faucet aerator. Wondering how? Here’s some guidance –

  • Close the hot water line valve
  • Get yourself a pair of pliers and cover its jaws with plumber’s tape
  • Grab the aerator with the pliers and turn counter-clockwise
  • Remove the aerator and disassemble it as much as you can
  • Soak the parts in a vinegar-filled bowl for a few hours
  • Take the components out and use a brush to give them a thorough clean
  • Rinse the parts with water and put them back in place
  • Install the aerator onto the faucet and open the valve

3. Remove the sediments from the water lines

If the issue is still there, you need to divert your focus to the water lines. Here’s how you can remove any sediment blockages that are in them –

  • Close the shut-off valves
  • Turn the hot and cold taps to release any water that might be within the pipes
  • Disconnect the water lines from the faucet with a wrench
  • Get a bucket and make the lines face it
  • Open the valves fully and let the water flow with full force
  • When the bucket fills up, stop the valves and connect the lines

4. Get the airlock out of your home’s water system

After going through the above steps, you should get water from the hot taps. But if you don’t, as a final attempt, try this –

  • Locate the bleeder valve of your water system; it should be at the highest point within a boiler room or utility cupboard
  • Open the bleeder valve and wait for a while
  • Once you start to see water coming out of the bleeder valve, close it
  • Turn the hot water taps and wait for 30 seconds
  • Open the cold water taps and let all the water flow
  • Close all the taps and repeat the process
Low Hot Water Pressure

Final Words

So, when you find no water coming out of hot taps, you must first check the thermostat. Then, see whether the aerator and pipes are in good condition or not. Finally, you need to get the airlock within the system out.

But if the problem persists, you should leave the task to a professional plumber. They will be able to get to the root cause and offer a proper solution.

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