What does code 118 mean?

Error code 118 indicates that there is low water pressure in the system. This video explains the simple fix that all homeowners can do themselves. (pre 2019 model boiler)

ATAG Heating Technology only supplies its products to companies registered with Gas Safe. If you are not Gas Safe registered you must not interfere with the internal workings of the boiler. Not only will this void your warranty, but you will also put yourself and others at risk. Gas safety should always be left in the hands of Gas Safe registered professionals and businesses.

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