Vaillant 242/1 E
If the central heating is turned on then hot water can be operated ok. If the control is turned to just Hot Water then when a hot water tap is turned on nothing happens. Is it the diaphragm or diverter?
thanks
If the central heating is turned on then hot water can be operated ok. If the control is turned to just Hot Water then when a hot water tap is turned on nothing happens. Is it the diaphragm or diverter?
thanks