Vitodens 200 Medium
Your boiler's internal pump is stuck working at full power, which is usually caused by an air blockage or a communication failure within the system.
Technical description: Pump running at maximum speed
Typical repair cost: £150-350 (including labour)
DIY fix possible
Check that all radiator valves are fully open to ensure water can flow freelyBleed all radiators to remove trapped air from the systemCheck the boiler pressure gauge and top up to 1.5 bar if it is too low
Protect yourself from future repair bills
A boiler cover plan would cover faults like Vitodens 200 — no call-out fees, no surprises.
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Parts commonly replaced
- Circulation pump
- Internal PWM cable
- Control PCB
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