E24 High
Your boiler has shut down because it keeps losing water pressure and likely has a leak somewhere in the heating system or the unit itself.
Technical description: Water pressure lost 4 times in 24 hours – possible leak, check system and boiler
Typical repair cost: £100-350 (including labour)
DIY fix possible
Check for visible water leaks under the boiler and around your radiators or valves.Top up the system pressure to 1.5 bar using the external filling loop.Reset the boiler and monitor if the pressure drops again.
Protect yourself from future repair bills
A boiler cover plan would cover faults like E24 — no call-out fees, no surprises.
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Parts commonly replaced
- Expansion Vessel
- Pressure Relief Valve
- Automatic Air Vent
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