What does the Keston E 36 fault code mean?

Your boiler has lost the ability to measure the temperature of the water flowing through it because a sensor connection has failed or disconnected.

How much does it cost to fix Keston error code E 36?

Typical repair cost for the Keston E 36 fault is £120-200 including labour.

Flow thermistor open circuit - check/replace connections/thermistor

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Safety-critical — turn off, read this.

7 signs repair isn't worth it anymore.

Break-even maths on monthly cover.