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Airlock in hot water system.
While an airlock in the central heating system will result in some or all of your radiators failing to heat up properly.
As this occurs the water in the shower head will create pressure that will go back down the pipe and break apart the air lock.
How to clear an airlock from hot water pipes.
If the cold water runs ok but the hot water doesn t or runs slowly then trickles off then you may have an airlock which is when air in the pipes isn t being moved by the hot water thereby blocking the pipe.
If you suffer from this problem this video takes you through all the steps to restore your hot water or central heating.
Go back up to the shower and turn on both the hot and cold water taps.
The cold supply now unable to exit from the hand blocked tap outlet will instead flow across to the hot water pipe causing a backflow in the hot water system clearing the airlock.
Just below we explain the most asked questions the further below we answer all the questions that people are.
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Hot water airlock problem cures.
In the morning there is some water coming through but runs dry after a few seconds.
I have an airlock in my hot water system.
An airlock in the hot water system will prevent water from coming out of the affected tap.
Attic f e tank ball cock working normally.
You may have an airlock in your internal pipework.
Central heating works fine.
Attic header tank full and ball cock working normally.
It is probably not an airlock.
Turn on the hot then the cold this order is important to prevent confined mains pressure from forcing your hand away from the tap outlet.
Cold water running fine.
No air gushing or sounds.