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17th May 2020 at 4:14 pm
#66115
Nicholas MuirParticipant
Graham’s advice is bang on. I would also descale the raw water heat exchangers and check that none of the rubber hoses have not gone hard. This is not difficult but you may want to get a mechanic to do it for you. The descaler you want is called Rydlyme, you can read up on the net.
Nick