Oct 2, 2019InvitedFound this a bit noisy when refillingOctober 2, 2019Unprompted reviewReply from Viessmann Climate Solutions UKOct 7, 2019Dear Paul,Thank you for your feedback.If you are experiencing problems with your boiler, please contact our Aftersales Department who will be happy to assist you.Telephone: 01952 675 060Email: aftersales-uk@viessmann.comBest Regards,Viessmann