Simple explanations for plumbing problems

E50 fault Baxi or Potterton boiler

An E50 fault on a Baxi or Potterton boiler is a sign that the hot water sensor is faulty.

The hot water sensor is screwed into the left hand manifold. It sits it the stream of the mains water so it needs to be sealed using a washer.

To rectify this fault the sensor and seal should be replaced by a gas safe registered engineer.

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