Water pressure is fine. I can here the spark trying to ignite but it doesn't fire up.. Created by gary-brinkworth. Water Heaters - Water

Intermittent hot water.Changed diverter valve,heat exchanger,fan, PCB. Vaillant turbomax 282e But still no hot water

April 2021 1 7 Report

Intermittent hot water.Changed diverter valve,heat exchanger,fan, PCB. Vaillant turbomax 282e But still no hot water

Water pressure is fine. I can here the spark trying to ignite but it doesn't fire up.

Water Heaters - Water

Sounds like you need a new Thermo coupler.
Could be as simple as a dirty pilot and needs cleaning but I suspect a thermo coupler.