Potterton boilers are common in older Birmingham properties in particular, and while newer models are generally reliable, ageing units can develop recurring faults that are worth diagnosing properly rather than repeatedly resetting.
Common Potterton faults
- Ignition or gas supply faults (E133)
- Low system pressure (E119) — see our pressure page
Repair or replace?
Potterton as a brand has had several model generations over the years, and parts availability varies a lot depending on age. If your boiler is older and a part isn't readily available, we'll tell you honestly whether repair is realistic or whether replacement makes more practical sense — rather than defaulting to whichever earns more.