J Jontifree Messages 4 Jun 23, 2020 #1 Hi. Our Worcester 30cdi makes a very loud rumbling noise after the hot tap is turned off. It seems to be worse if the hot tap is only run for a short time. The noise is getting worse since this video was done. Any advice gratefully received. Your browser is not able to display this video.
Hi. Our Worcester 30cdi makes a very loud rumbling noise after the hot tap is turned off. It seems to be worse if the hot tap is only run for a short time. The noise is getting worse since this video was done. Any advice gratefully received. Your browser is not able to display this video.
ShaunCorbs Super Moderator Staff member S. Mod Plumber Gas Engineer Subscribed Messages 34,702 Solutions 1 Jun 23, 2020 #2 when was the boiler last serviced? Upvote 0 Downvote
J Jontifree Messages 4 Jun 23, 2020 #3 ShaunCorbs said: when was the boiler last serviced? Click to expand... Last serviced in December Upvote 0 Downvote