Glow-worm Swift-Flow 100 combi boiler. No hot water, I have changed the flowswitch and main and control pcb's. It only works for a few minutes from cold in the morning then no more hot water. Central...
Glow-Worm Swiftflow 100 Combi boiler. When domestic hot water is demanded green light flickers off then on, along with rattling of solenoid. The solenoid also rattles occassionally when there is no...
