Burner pulsates High
Your boiler is struggling to breathe properly, causing it to make a rhythmic vibrating or thumping sound as it fires up.
Technical description: Insufficient combustion air supply to burner
Typical repair cost: £100-250 (including labour)
DIY fix possible
Check that the external flue pipe terminal is not blocked by leaves, debris, or snowEnsure that any air intake vents in the boiler room or cupboard are completely unobstructedVerify that the fuel tank has enough oil and the supply valve is fully open
Protect yourself from future repair bills
A boiler cover plan would cover faults like Burner pulsates — 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
- Oil nozzle
- Fuel pump
- Blast tube
- Air intake hose
*Affiliate links — we may earn a commission at no extra cost to you.