BoilerFaultCodesYour boiler has stopped working because there is not enough water pressure in the system 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: Water pressure is too low
What causes this fault?
This fault occurs when the water pressure inside your heating system drops below the minimum level required for the boiler to fire up. The most common reasons are a slow leak from a radiator valve or pipework, or the air pressure in the expansion vessel has depleted over time, causing water to be expelled through the safety valve.
This issue is more frequent in autumn when the heating is turned on for the first time after summer, as the change in temperature can highlight minor leaks or air pockets.
DIY fix possible
Locate the internal or external filling loop (the silver braided hose)Slowly open the valve(s) to allow water into the systemClose the valves once the pressure gauge reaches 1.5 bar
Find a Gas Safe engineer
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Gas Safe Register →Protect yourself from future repair bills
A boiler cover plan would cover faults like CE207 — no call-out fees, no surprises.
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Worcester Bosch GB162 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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