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Heating and hot water troubleshooting
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Sealed system or combination boilers
This type of boiler does not have a water tank.
Water leaks can cause the system pressure to drop. This can stop the system working properly.
Check the pressure gauge. It should be set at 1 bar. A red indicator needle often shows where the pressure should be.
Check your user manual to see if you can re-pressurise the boiler yourself.
If your boiler panel needs tools to remove it, do not touch it and report the repair to book an engineer.