How To Remove An Airlock From Your Hot Water System

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A hot and cold water airlock is usually caused by the tank running dry or presence of air-bubbles within a hot-water-system where the pipe work runs-up and then back down causing the air to get trapped and not vent-out as it should be happening. In fact, getting-out an airlock may take about 3-seconds depending on the length of the pipe but if this becomes more complicated, then it about a minute or more. Additionally, the best method of getting an airlock out of your hot-water-system is to cross the hose from a hot-water fed to a cold-water fed. All in all, ever switch-off and drain your hot-water-system to fix a leak and then turn-on your water but without finding any hot-water, then read through the methods and steps i have provided below on how to get rid of that airlock from a hot-water-system.

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METHOD-1: PRIMARY METHOD OF REMOVING AN AIRLOCK FROM YOUR HOT WATER SYSTEM:

  1. Turn on the hot-water supply: before doing anything else, make sure that your hot-water supply is on because this the only way you can know whether it’s giving-off cold or hot water.
  2. Inspect the water coming from the hot-water-system: incase the cold water runs-out well but the hot-water does not run-out or runs slowly then trickles-off, then the hot-water-system may be having an airlock. In fact, this means that the air inside the pipes is not moved by the hot-water hence blocking the pipe.
  3. Use a garden-hose: get a lengthy garden-hose which is about 1-foot and also grab some duct-tape because all these materials will be of great importance during the process of removing of removing an airlock from your hot-water-system.
  4. Connect the cold water: use your duct-tape and garden-hose to connect the cold-water tap to the hot-water tap. Make sure that both taps are properly sealed to prevent any leakages form happening.
  5. Open the hot-water tap: afterwards open the hot water tap in order to prepare it for any water they may come from the other tap.
  6. Open the cold-water tap: likewise, open the cold water tap for about 3-5 seconds because this will actually help to move cold-water into the hot-water tap hence removing the airlock inside.
  7. Check for hot-water at another nearby tap: check or analyze for hot-water-system on a nearby tap to make sure that the airlock is fixed or fully removed from this hot-water tap. In case, the airlock is still present within your hot-water-system, then repeat all the steps listed above until it gets fixed.
  8. Switch-off the taps: incase the hot-water tap is working properly, switch-off all the taps and any remaining duct-tape and hose from the 2-taps. However, if you do this process for several times and you fail to get rid of the airlock then call a professional-plumber in order help you solve this problem.

 

METHOD-2: AN ALTERNATIVE METHOD OF REMOVING AN AIRLOCK FROM A HOT-WATER-SYSTEM:

  1. Disconnect the blue-pipe: begin by disconnecting the blue-pie from the back of your washing-machine but try to do this gently so that you don’t cause any damage. In fact, you may even use tools to unscrew the blue-pipe incase this can’t be done with your bear hands.
  2. Disconnect the red-pipe: likewise, disconnect the red-pipe that runs from the washing-machine to the hot-water pipe/tap. In fact, the end of the pipe is always connected to a hot-water connection of the washing-machine.
  3. Connect the blur-pipe to both water-outlets sources: connect one-end of the blue-pipe to a hot-water outlet or where you just removed the red-pipe and then leave the other remaining-end to its cold-water outlet. In fact, this will create a U-shape between cold and hot water pipes.
  4. Open the hot-water tap/source: afterwards open the hot-water outlet so that you can keep it free for air on the other side to enter.
  5. Open the cold-water tap/source: likewise open the cold-water tap for at least 3-5 seconds so that you can let cold water run into the u-shaped pipe and then into the hot-water tap in order to get rid of the airlock. Additionally, always make sure that the airlock is fixed by simply touching the pipe to feel the temperature-levels inside the u-shaped pipe and incase the water feels warm, the airlock has been removed but if it still feels cold then the airlock isn’t fixed yet.
  6. Check hot-water at the next tap: incase there is a nearby hot-water tap, then check for hot-water on that tap to see whether the airlock has been fixed. In case, the airlock is not fixed yet, then repeat the steps listed above for about 3-times or until the problem gets fixed.
  7. Switch-off all the taps: incase the hot-water is coming out properly on the nearby hot-water tap, then switch-off all taps and remove any duct-tape and disconnect the blue-pipe from both outlets.
  8. Call a plumber in case you fail to fix the airlock: lastly, in case you completely fail to get rid of the airlock after trying this process for several times then call the plumber in order to help fix the airlock.

 

TIPS TO CONSIDER DURING THE PROCESS OF REMOVING AN AIRLOCK FROM YOUR HOT-WATER-SYSTEM:

  • Always make sure that the air-lock is completely removed or fixed before disconnecting the pipes. Otherwise, if an airlock is not completely removed then the hot-water-system may still fail to work properly.
  • The 2 airlock removal-methods featured above can still be used to fix an airlock on your mixer-shower. This can be done by simply blocking the water from coming-out of the shower-head using a thin plastic-bag put over the pipe.
  • Don’t use any of these methods in case you have a pump pressurizing the water-system like for people with power-showers.
  • Lastly, hot-water can actually scald even if there is an airlock, so try to be extra careful when removing an airlock form your hot-water-system.

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