S.8 Low
Your boiler is temporarily pausing heating because it thinks the house is warm enough or to prevent the system from getting too hot too quickly.
Technical description: Heating remaining cut off for XX amount of time
Typical repair cost: £0-120 (including labour)
DIY fix possible
Check that your room thermostat is set to the desired temperatureOpen all radiator valves fully to ensure heat can move away from the boilerWait up to 20 minutes for the 'anti-cycling' timer to finish and the boiler to restart automatically
Protect yourself from future repair bills
A boiler cover plan would cover faults like S.8 — no call-out fees, no surprises.
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Parts commonly replaced
- None (Software setting)
- External Bypass Valve
- Circulation Pump
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