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Heatline — Capriz
Select a fault code
Fault Codes
E1Ignition lockout🔄 Try Reset
Failed to ignite. Heatline is discontinued — parts may be hard to source.
E2Safety overheat🔧 Engineer Required
Primary circuit overheated.
E3Fan or flue fault🔧 Engineer Required
Fan or air pressure switch fault.
E6Flow sensor fault🔧 Engineer Required
Flow thermistor open circuit or short circuit.
LPLow water pressure🔄 Try Reset
System pressure too low for safe operation.
🛡️
Protect against future repair bills
Boiler cover means no surprise costs when things go wrong
🌳Get a quote →🏠Get a quote →🔵Get a quote →
HometreeFrom £7/month
Boiler & heating cover with no call-out fees
HomeServeFrom £9/month
24/7 call-out, 4-hour emergency response
British GasFrom £10/month
Nationwide network of engineers
Prices shown are indicative — actual cost depends on your boiler age and policy type.
Compare repair costs →📞 Heatline Direct Support
Gas Emergency
🚨 0800 111 999
Free, 24/7 — if you smell gas
Phone numbers are provided in good faith — always verify on the manufacturer's official website. PlumbingAdvice.co.uk is not affiliated with any boiler manufacturer.