We had a large flat panel upright in our kitchen diner fitted 4 years ago. It never got very hot despite numerous visits from heating engineers. One told us the valves were too narrow. We’ve gone back to a horizontal one which is loads better. I think it was the design that looked very contemporary but didn’t really do the job.
Someone needs to go back to Junior School himself.
How to get help putting suitcase on the conveyor belt at airport check-in




