1073 W High
Your boiler has detected an electrical fault with its main temperature sensor, which means it cannot safely monitor how hot the water is and has stopped working as a precaution.
Technical description: Short circuit of the flow temperature sensor – the temperature sensor may need replacing
Typical repair cost: £90-160 (including labour)
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Protect yourself from future repair bills
A boiler cover plan would cover faults like 1073 W — 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
- Flow temperature NTC sensor
- Connecting wiring harness
*Affiliate links — we may earn a commission at no extra cost to you.