Medium
Lt on Baxi Combi 130 HE

Your boiler is failing to detect when you turn on a hot tap, so it isn't heating the water for your shower or kitchen faucet.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

What the manual says

Manufacturer manual

DHW Flow Switch Fault

From this model's manual
Verified against the Baxi Combi 130 He Combi installation & service manual, page 45.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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