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No Water Coming Out Of Hot Tap: 4 Causes And Solutions

No water coming out of hot tap? If you checked every faucet in your home but still did not find out why you have no hot water, it is time to put your Sherlock Holmes hat on! Well, actually, no. Not this time! Because we have already gathered all the possible causes and solutions for you.

When cold water comes out of a hot tap, generally, the problem is either the boiler or the thermostat. Especially any time a power cut (or other accident) changes the machines' basic settings or timer.

In most cases, resetting the devices is enough. You should find reset buttons you can press on both the boiler and thermostat-just read and follow the manufacturer's instructions. But what if no water comes out at all?

Before you phone an engineer, you should check the following potential causes. This list may help fix or identify the issue, so you can do enough research on your own when shopping around online to find the best prices.

Why Is No Water Coming Out Of Hot Tap?

1 - Buildup Of Sediment

Do you recall a previous time when the faucet had uneven or weak water flow before you found yourself with no water coming out of hot tap? Sometimes, sediment buildup can cause a blockage. But the good news is that we can fix the situation in a matter of minutes. You only need three tools:

  1. a small towel and a large bucket to avoid any spill
  2. pliers
  3. wrench (or basin wrench, depending on the sink type)

How To Remove Any Buildup Sediment From The Aerator

Photo Credit - Adobe Stock

First, remove and clean the faucet area. The faucet aerator is on the tip of the tap. To clarify, it is the piece that keeps the water flow steady and the first thing you need to check.

Before rotating the aerator clockwise, cover the sink drain with a towel. In this way, no piece will fall down the drain. If the aerator seems stuck, use the pliers-but put a rag between the pliers and the finish to prevent any dent!

Many manufacturers make different aerators. So, you may find that it contains several parts (usually, a filter, the housing, and a rubber washer). Rinse and clean every single part one at a time. Then, assemble the aerator back in the same way it came out.

Sediment may look like little slabs of limestone placed horizontally. Take them out, and you should have no other problem. If you turn your water to check the water flow, but the issue persists, you need to take it to the next level.

How To Remove Any Buildup Sediment From The Water Lines

  1. Turn off the shut-off valves under the sink. You have to twist them clockwise as far as you can.
  2. Turn on the hot and cold taps to release any water. After any residual water has drained out of the lines, turn the faucet taps off again.
  3. Use the wrench to remove the water lines from the underside of the faucet. To explain, you may need a basin wrench to loosen any water line that may be difficult to access.
  4. Place the lines in the bucket because you need to open up the shut-off valves next.
  5. Let the water flow for ten or twenty seconds before closing the shut-off valves once more.
  6. Carefully reattach the water lines and open the valves one last time.
  7. If you still experience no water coming out of hot tap, try the following fix.

2 - Incidents (Check Your Water Supplier's Website)

Most water suppliers release updates about any burst or incident that may cause no water or low pressure in the affected areas. Depending on where you live, you may ask your neighbours if they have the same problem.

Some sites may require you to input your address before locating any issue impacting the water supply in your area. But you can also use the geolocation feature on your phone to skip this step.

You may even have to log in to your account and report the problem yourself. In any case, make sure that you find yourself with no water coming out of hot tap because of the other potential causes in this list.

3 - Leaks

Photo Credit - Adobe Stock

Most people may not even know their pipes leak until they receive a high water bill. But no water coming out of hot tap may indicate that you may have a pipe leak. Why? Because the pressure is so low that the water flow stops entirely.

There are two types of leak that you should be aware of:

  • Ongoing leaks that run 24/7. (Sometimes, they are hidden, too!)
  • Intermittent leaks that start and stop irregularly.

If you notice any moisture stain on your wall or visible leak, contact a plumber immediately!

Pipes can freeze and burst over time. Visible dampness and standing water may soon follow. But you can also do a visual inspection of every pipeline you can find and listen for water hissing.

The most practical way to check for leaks is to turn off every faucet and device that consume water. After that, locate the water meter and look at it for a while. If the numbered wheels turn even though no water is being used inside or outside your home, your system is probably leaking.

4 - Airlock

When the problem is an airlock, all the taps stop working. The following solution works for most old fashioned faucets because mixer taps will not allow you to do it.

Stick your thumb over the end of the cold and hot faucet. After that, open both taps up and let the cold run up the hot until you hear it going up the pipe for about ten seconds.

When you take your thumb away, it should be back to normal.

If you have two separate tabs in a two-storey building, the non-return valves may prevent using such a simple fix. In that case, you have to let compressed air blow out from the cold water storage.

You should find that you can get some hot water through after turning on the cold tap near the water storage. After that, let the cold water run, drop it down, and see if the hot water pushes through upstairs. If this sounds too complicated, contact a plumber. Also, ask the expert for tips on preventing this issue because it is a common occurrence with older systems.

Now Time For A Hot Bath!

Phew! Now that you have sorted out the problem of no water coming out of hot taps, you can relax with a glass of wine in the bath. But wait what is that annoying dripping sound? Oh great it's the shower. But wait! We have you covered we have a brilliant article on fixing a leaking shower! Or if you are feeling invigorated and crafty take a look at our piece on how to paint a archway!

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