My father has a parkray fire which has a back boiler . He had a leaky radiator, when he was attempting to fix leak the circulating pump (grundfos) was making a rattling noise this stopped once the radiator leak was fixed ( he lost a fair bit of water ) . The problem being now is that the gravity fed cold water system doesn't seem to have refilled the rad back up . I have took the big centre screw from the pump and it is bone dry I can't get something in to turn( seems to have lots of metal looking fillings around the thing that turns ) but if I use the switch on side of pump and turn up this rattling noise begins again ( when on lower setting it isn't turning ). I have been into loft and located 2 tanks and they both had water in, the smaller 1 looked like it had lost some water ( there was a visible water line to indicate previous level ). I pushed down on the rubber ball and refilled to previous level . I have tried to balance the radiators but no air or water is coming out when I tried to bleed them . I am thinking maybe blocked cold water feed is blocked as I think there should be water coming out of the pump? I am no plumber at all and ano its best to get someone in but my dad has had this heating for decades and he's reluctant to let someone come to look as he's fearful they will condem and he will be forced to have a combi boiler installed . ( i have tried for years to get him to upgrade his heating system but he's old and set in his ways ) . Any advice would be appreciated
Thanks Julie
Thanks Julie