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  1. M

    Help with a conundrum .....

    Did you use a power flush? If so you would of or should of heard the water going through EACH radiator downstairs! If you did the flush correctly with a power flush and you heard the flow through the rads then it's either air locked but probably not, too small pipe work, needs balancing or the...
  2. M

    advice please

    Forget the combi it will only come back and cause you grief! find a home for a cylinder and use a universal/ negative head boost pump for your supplies. considering how many houses are being crammed in now the mains will only get worse trust me. we go storage every time now if we can and combis...
  3. M

    Low water flow

    Most cylinder manufacturers want roughly 2 bar pressure but more importantly around 20ltrs a minute! did your plumber do a pressure and flow test before specifying the unvented tank????? what size and how old is your incoming water main pipe???? If it's old half inch iron you have had it...
  4. M

    greenstar 30si

    You're right but you have to agree it's a crap design and in my opinion. I'm accredited with WB and regularly send feedback to them but they never seem to listen to installers or their engineers- up their own backsides think I'll change to Vaillant!
  5. M

    greenstar 30si

    Changed a few they are sods basically! last one I done I managed to do it from underneath but not easy- cut my hands to shreds! One before had to take the boiler off coz the pipework was a mess! My mate works for WB he takes out the block most of the time or passers the job off to a nipper!!!!
  6. M

    Power flushing.

    No worries after all it's only a magnet!
  7. M

    Power flushing.

    We now own a Kamco unit with the filters and I agree it is pricey!!!! previous I had a Sentinel flusher and we used quite successfully two pieces of 28mm copper tube about 18" long with some barrel magnets we found on eBay. We fixed the magnets on some 3mm rod and shoved them in the pipe and...
  8. M

    Grant Vortex 36e + Siemens RDJ10RF thermostat HELP please

    If it's external then it's the frost stat so wire that in with a pipe stat on the return set to 15-20degrees. if it's internal sounds to me like it can be the a zone valve faulty ie sticking open sending live back to the boiler. The boiler will operate on its stat only then! Get your engineer to...
  9. M

    High oil usage

    I see thanks very much
  10. M

    High oil usage

    How did you get to 1000ltrs???? Not being funny just how you don't the math?
  11. M

    What Heatloss Calculator?

    What Heatloss calc do all you people use? just started using Mr Combi app and have compared it with various others with varying results. I do have Stelrad Stars available but find it a little long winded. perhaps you'll share what you recommend? cheers
  12. M

    Gas meter removal??

    What would you do if you had an inspection???????
  13. M

    Greenstar danesmoor 18/25 wm

    Weird!!!! the stat controls the burner live only. Sounds like the burner is getting a permanent live somehow???? what external controls are there and have they been wired in correctly???. if you have disconnected the stat and it stops it must be the stat surely?
  14. M

    Greenstar danesmoor 18/25 wm

    Not at all. anything connected with boiler electrics these days I call boards just habit. On the back fascia where you changed your stat the connections are in there as you probably know. Just test from there that should give you an idea what's happening. You may have a new faulty stat????? i...
  15. M

    Greenstar danesmoor 18/25 wm

    Simple test at the board with a multimeter should get you sorted. Had a couple of boards go down on these before!
  16. M

    multi fuel for Rayburn plumbing?

    Hi Having had experience in this field and dealing with Rayburn you really need a qual engineer to take a look and also look at Rayburns website. You will need min28mm pipe work any less Rayburn won't warrant it! They are extremely picky to say the least and you need to go strictly by the book...
  17. M

    Grant Vortex sooted up and overheating

    Thanks
  18. M

    Grant Vortex sooted up and overheating

    Nozzle gone? Damaged when fitted or just faulty???
  19. M

    Grant Vortex sooted up and overheating

    Thanks for that reply makes sense now!
  20. M

    Grant Vortex sooted up and overheating

    Yeh I know. Didn't find any blockage. Also I know the guy that services it I don't trust him that's why we were called in at 8 this morning.
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