E119 High
Your boiler has stopped working because the water pressure in the system has dropped too low and needs topping up.
Technical description: System pressure too low
Typical repair cost: £0-120 (including labour)
DIY fix possible
Locate the filling loop (usually a silver flexible hose) underneath the boiler.Slowly open the small valves at either end of the hose until you hear water flowing.Watch the pressure gauge until it reaches between 1 and 1.5 bar, then close both valves tightly.
Protect yourself from future repair bills
A boiler cover plan would cover faults like E119 — no call-out fees, no surprises.
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Parts commonly replaced
- Filling loop
- Pressure sensor
- Expansion vessel
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