Airlocked pipework

When you open a tap and no water is released it could be the result of an airlock. To resolve this, connect a length of hosepipe to the tap and connect the other end to a working direct feed tap. In most cases this will be the cold tap at the sink. Open both taps together to allow the pressure of the mains water to force the air back out of the pipes. Leave them for several minutes and then turn off at the air locked tap first. Chessington Plumbers will do this..You may need to repeat this a few times to release the lock and allow water to run properly. When finished, undo the hose from the higher of the two taps, before releasing the lower and allowing the water in the hose to drain into the sinkAir lock at more than one tap.If more than one tap seems to have an airlock, it should be cleared starting with the lowest one. It may be possible to blow the air out of the pipes.Stick a length of hose into the outlet pipe within the loft tank. Open the tap at the other end. Blow through the pipe to dislodge the lock.Draining down to remove an air lock.A final method would be to drain the system. Isolate the water feed and open all the taps to drain away all the water. Close all taps until they are about a three quarters closed. Turn the water supply back on. Adjust them all until a light, even flow of water is achieved. Now go round opening them one by one to the half-open position, starting with the lowest and working upwards. Repeat at the three quarters open position. Once all air has been discharged, turn all taps off to a point where there is only a minimal flow. Broadgate Plumbers carry out this work fully guaranteed.