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Worcester Bosch Boiler Leak – Flow Turbine & Sensor Replacement

An existing customer noticed water dripping from their Worcester Bosch boiler. We traced the problem to the cold-water flow turbine and flow sensor assembly and fitted genuine replacement components.

Boiler fault-findingGenuine Worcester Bosch partsPost-repair checks
Close-up of the leaking Worcester Bosch boiler flow assembly before repair

The customer's problem

One of our existing customers contacted Can Do Plumbing after noticing water dripping from their Worcester Bosch boiler. An unexplained leak inside a boiler should be investigated promptly, even if the appliance is otherwise operating.

Finding the cause

On attendance, our investigation identified leakage around the boiler's cold-water flow turbine and flow sensor assembly. Both faulty components required replacement.

The repair

We sourced and fitted genuine Worcester Bosch components to replace the defective flow turbine and flow sensor. The original manufacturer packaging is shown in the photographs, together with the affected area inside the appliance.

Checks after replacement

Following the component replacements, we completed operational checks of the boiler. We aim to verify repairs carefully rather than simply fitting parts and leaving the property.

Why we choose genuine parts: Using manufacturer-specified components supports correct compatibility and helps avoid potential warranty issues associated with unsuitable alternatives. Any remaining warranty is subject to the manufacturer's terms and conditions.

Our advice

A small drip can be an early sign of a problem that may cause further damage if ignored. If water is escaping from a boiler, arrange an inspection by a Gas Safe registered engineer who is competent to work on that appliance. Customers should not remove the boiler casing or attempt internal repairs themselves.

The outcome

The leaking flow turbine and flow sensor were replaced with genuine components, followed by boiler operation checks. Photographs show the fault area, the genuine replacement-part packaging and the assembly after the work.

Need a boiler repair?

Explain the symptoms and send us an enquiry to arrange the next steps.

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