A1 281 High
Your boiler is struggling to move water through the system, either because the pump is jammed or there is not enough water present.
Technical description: Pump stock or running dry
Typical repair cost: £180-£350 (including labour)
DIY fix possible
Check your boiler pressure gauge and top it up to 1.5 bar if it is too lowBleed all your radiators to remove trapped air from the systemTurn the boiler off and on again to see if the pump restarts
Protect yourself from future repair bills
A boiler cover plan would cover faults like A1 281 — no call-out fees, no surprises.
*Affiliate links — we may earn a commission at no extra cost to you. Prices shown are starting prices.
Parts commonly replaced
- Circulating Pump
- Expansion Vessel
- Automatic Air Vent
*Affiliate links — we may earn a commission at no extra cost to you.