Your boiler has stopped working because the water pressure inside the system is 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 filling loop (usually a flexible silver hose) underneath the boiler.Open the valves to allow mains cold water into the system until the pressure gauge reads between 1.0 and 1.5 bar.Close both valves tightly to stop the inflow of water.
Find a Gas Safe engineer
Search the official register for a qualified engineer in your area.
Gas Safe Register →Protect yourself from future repair bills
A boiler cover plan would cover faults like 08 — no call-out fees, no surprises.
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Chaffoteaux Talia Green 25 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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