hello Slugbabydotcom.Thanks for advice, boiler running o.k.today.I have not had to try anything else but will keep your advice to hand for next time ,cos i'm sure there will be one !ta. Marydi
can anyone help ?.central heating firing up then turning off after 20 seconds.have bled rads. and run water out of last radiator until runs warm.heat upstairs and plenty hot water ,but no heat down stairs .helppp Marydi. :?