Vitotronic 050/200-H High
Your heating control unit is closing off the hot water flow to your radiators because it has detected an error in how the water is being mixed and distributed.
Technical description: Mixing valve closes
Typical repair cost: £180-350 (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 Vitotronic 050/200-H — no call-out fees, no surprises.
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Parts commonly replaced
- Mixing valve motor
- Flow temperature sensor
- Vitotronic controller board
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