E83 482 Medium

Potterton E83 482 Fault Code

Also written as E83482 — same fault.

The Potterton E83 482 fault code means: your boiler has detected that the internal pressure relief mechanism has been triggered, which can be caused by the system pressure being too high or a faulty safety valve.. It appears on 1 Potterton model in our database.

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: PRV Assembly
Typical repair cost £120-220 (including labour)

Engineer required

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

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Potterton models that show the E83 482 fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Potterton E83 482 fault code information on this page is sourced and cross-checked against the official Potterton service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026