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ok, new pump fitted and can hear it running so i know that it is ok BUT! on restarting the system, the boiler started up for about 5 mins and has now gone off and will not fire back up, it is a Trianco Tro BF and runs on oil. The newly fitted pump is now permanently on and will not turn off -...

I have pulled the screw out as much as poss and turned it by hand, it turns ok but with slight resistance so does not appear to be seized, The pump seems to be making some kind of noise but not one that is spinning?? Thanks for the replies so far - off to B&Q to get a replacement just in case!

Hi, I dont have all the info to hand at present but was hoping for some help anyway. I do not have any CH or HW at present but the pump is red hot - so hot you cannot touch it. The boiler is oil powered and was set on 3 (out of 6). This appeared to be dead also but i have moved the dial...