What does the Potterton Pressure of 3 or greater fault code mean?

Your boiler's internal water pressure has climbed too high, which means the system is under too much strain and needs to be brought back down to normal levels.

How much does it cost to fix Potterton error code Pressure of 3 or greater?

Typical repair cost for the Potterton Pressure of 3 or greater fault is £80-150 including labour.

Can I fix Potterton fault code Pressure of 3 or greater myself?

Check that the silver filling loop valves are tightly closed

Potterton Pressure of 3 or greater Fault Code: What It Means & How to Fix It

Technical description

Indicates a fault. The safety pressure relief valve will operate.

Engineer required

This is a emergency severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Find a Gas Safe engineer

Search the official register →

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Your boiler's internal water pressure has climbed too high, which means the system is under too much strain and needs to be brought back down to normal levels.

Technical description

Engineer required

Related guides you might find useful

Boiler keeps losing pressure

Low pressure — repressurise guide

When to replace your boiler

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