High
H07 on Worcester Bosch Danesmoor

Your boiler has detected that the water pressure is too low, which means it cannot provide heat or hot water properly until the system is topped up.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

The current water pressure is too low, limiting the performance in heat mode as well as domestic hot water (DHW) mode

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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