Recent content by endfeeder

Thanks for the advice Boilerman2. I'll give it a try. As far as I can tell Pumping over is only occurring for a few seconds at system startup.

My central heating system (30 years old) is powered by an Ideal RS E type 80. During its lifetime, the system has been cleansed and flushed (Fernox F3) and the boiler descaled (Fernox DS40) on two occasions, and has always been inhibited with Fernox MB1. I recently noticed that the water in...