Recent content by Gruffalodad

How do I go about testing 3 three parts to isolate the root cause Rob? The instruction manual is not that helpful to pinpoint the exact cause. I have read through the history of similar probs but none seem to be the same as mine. e.g. the intermittent hot water is independant of CH being...

I have a problem with my Alpha CB28. 5 Years old. Last year DHW started to get intermittent. With CH on, open hot tap – the water would run hot then go cold. Sometimes the water would not run hot at all. Changed the DWH sensor (fig 25, page 25 in manual) all fine till this year and it appears...