1p1 High
Your boiler is struggling to move water around correctly, often caused by a lack of pressure or air trapped in the system.
Technical description: All Boilers
Typical repair cost: £100-280 (including labour)
DIY fix possible
Check the pressure gauge and top it up to 1.5 bar if it is too lowBleed your radiators to remove any trapped airEnsure all radiator valves and isolation valves are fully open
Protect yourself from future repair bills
A boiler cover plan would cover faults like 1p1 — no call-out fees, no surprises.
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Parts commonly replaced
- Circulation Pump
- Main Heat Exchanger
- Automatic Air Vent
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