sludge

Hello, I have been scouring the forums for help with my issue. With nothing working I thought I had better post to see what else people can come up with. We moved into a large house in the summer. It was built in 1901 with stone walls. The CH system is likly to have been installed in the late...

So I have a combi boiler and two zones, one is underfloor heating and the other goes around 9 radiators. There has been alot of black sludge blocking the heat exchanger the last few years. I am planning to get a filter on the system and I was recommended the Magnaclean Pro 2. However I dont...

Hi there, Link to Manual: https://www.worcester-bosch.co.uk/support/literature/download/release/6720644741/12637 Not a plumber, just an infuriated owner of the subject boiler. I had a oil to gas conversion done and this boiler installed late 2013 by what I perceived to be a competent...

Hi I'm planning to add MC5+ cleaner to the system as there is a lot of sludge & rust. My concern is that since magnaclean is fitted to flow, the boiler may end up with debris and create problems. I'm planning to drain the system in a week's time and at that point will change the pipework...

Same as thread https://www.diynot.com/diy/threads/microbore.67541/ I have some of my radiators with microbore system and twin valves blocked. How to fix the problem? I thought the problem was with the system being full of sludge so i had a full flush done but that did not fix the problem...

Hi. I have a 1960s house with a combi boiler fitted in 2009. Heating working well except for one rad which won't heat adequately. Patchy heat - along the top, some at one side. No air coming out when I bleed it. Am thinking sludge. I thought I'd loosen the hex blank at the other end to see what...

Hi there, I was having some problems with my central heating system a couple of months back. One radiator started leaking and I got this replaced and then about a month later none of the radiators were heating up. I got a few people in and they all said I needed a power flush and the system was...

Been doing minor work to my Central heating system consisting of replacing one single radiator for a double one (same width and height) along with refitting a another poorly fitted radiator which brackets were loose and wonky. When I drained the radiators, small black particles came out what...

Hello everybody, I am experiencing an annoying and on-going problem with my central heating, and I was wondering if somebody could help me understanding a bit more of what's going on! A bit of background: -Type of system: Vented system, with F/E tank in the loft, combined feed and vent...

hi there, i am new to this forum and can someone please help me with an issue i am facing with my CH system? basically, i cleaned the system with X800 and left it in for a week after we had our radiators replaced with new ones about 2 months ago. i then refilled and drained the system three...