Low mains voltage High
Your boiler has stopped working because the electricity supply reaching it is too low to power it safely.
Technical description: Less than 185v to boiler then check voltage at boiler mains in if mains voltage is okay pump needs replacing
Typical repair cost: £280-450 (including labour)
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Protect yourself from future repair bills
A boiler cover plan would cover faults like Low mains voltage — no call-out fees, no surprises.
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Parts commonly replaced
- Internal Water Pump
- PCB (Circuit Board)
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