BoilerFaultCodesYour boiler has detected that the water level inside the heating system has dropped too low to operate safely.
Book a Gas Safe engineer within 24–48 hours. Your boiler may be unsafe or could break down completely if left.
Technical description: No water in the primary circuit
DIY fix possible
Locate the external filling loop, which is a silver braided flexible hose connected to the pipework beneath the boiler.Open the two valves at either end of the hose slowly to allow mains water into the system.Monitor the boiler's pressure gauge until it reaches between 1.0 and 1.5 bar, then securely close both valves.
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Gas Safe Register →Protect yourself from future repair bills
A boiler cover plan would cover faults like E 08 — no call-out fees, no surprises.
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Chaffoteaux Minima HE is discontinued — time for a new one?
Parts for discontinued models can be hard to find and expensive. A new A-rated boiler could save you money on both repairs and energy bills.
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