10E Emergency
Your boiler has too much water in the system, which causes it to shut down for safety.
Technical description: High water pressure error
Typical repair cost: £80-140 (including labour)
DIY fix possible
Locate a radiator and use a bleed key to release a small amount of water into a container.Monitor the pressure gauge on the front of the boiler until the needle falls between 1.0 and 1.5 bar.Ensure the silver filling loop taps underneath the boiler are fully closed.
Protect yourself from future repair bills
A boiler cover plan would cover faults like 10E — no call-out fees, no surprises.
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Parts commonly replaced
- Filling loop valve
- Expansion vessel
- Pressure relief valve
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