Medium
E117 on Baxi Assure

Your boiler has too much water in the system, which has caused the pressure to rise above the safe operating limit.

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.

Technical description

System water pressure high – try bleeding water from your radiators

DIY fix possible

Locate a radiator bleed valve and a radiator key.Place a cloth or small bowl underneath the valve to catch water.Slowly open the valve to release a small amount of water until the pressure gauge on the boiler returns to between 1 and 1.5 bar.

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