Brown Hot Water and Noise From 28i Junior Combi Boiler
Posted: Sun Apr 16, 2017 2:54 pm
Got a 28i junior combi fitted 2005. It is making noises like boiling water / popping bubble wrap at the top of heat exchanger. The got water is brown at times. There is no air in the system. The pressure gauge fluctuates wildly when the noise happens. Any ideas