As far as I know yes it was cleaned. We also had magna clean installed when the new boiler went in. The rest of the system is about 20years old. I just find it strange that both showers have failed with the exact same problem.
Just had a new Ideal Logic 35+ combi boiler fitted. Since then we have had to replace the shower as the water kept going cold. Now the new shower which has been in less than 2 months has started to do the same. At first it was great but now you have to keep increasing the temperature but its...