141 High
Your boiler has stopped working because it cannot detect water moving through the system to heat your radiators.
Technical description: Central heating flow switch is open
Typical repair cost: £120-280 (including labour)
DIY fix possible
Check that your boiler pressure gauge is between 1.0 and 1.5 barEnsure all radiator valves and isolation valves under the boiler are fully openGently bleed your radiators to remove any trapped air pocketsReset the boiler using the reset button
Protect yourself from future repair bills
A boiler cover plan would cover faults like 141 — 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
- CH Flow Switch
- Circulation Pump
- Pressure Sensor
*Affiliate links — we may earn a commission at no extra cost to you.