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I understand your reasoning, but I think it's flawed (I could be wrong). I think you are atributing the fact that some numbers appear oftener than others, to some mechanical/physical properties of the process rather than the very nature or randomness. The same randomness that could (though very...

If eg the odds a any numbers coming out are 20 million to 1 then you could expect 1234567 to come out once in 20 million draws. Equally they could come out 10 times in the same number of draws or once only every 40 million draws. So saying those numbers haven't ever come out proves nothing...

You have a problem that it will take a plumber to fix. You will need to find the cause of the pumping over. Could be lucky and might be circulating pump set too high. It could be the wrong pump for the system head. But most likely (seeing as you haven't had any work done on the system) a...

Also when the system is running hot, have a look at that tank to check if there is water coming out of the vent pipe. Shouldn't be.

Yes. Just make sure that (after running a heating cycle) there is still water in that tank when system is cold.

Have you added any rads or made any changed to the heating? May be as simple bending the ball valve arm a bit.

You would be ill advised to interfere too much with the boiler control stat. The boiler needs to have the return flow above a certain temperature.

Is there a riello burner fitted to it. The new control boxes have a light sequence that goes a long way to identifying the fault. Was there a combustion test done in last visit? Is there anything unusual about the site conditions? I would like to be able to throw my eye over the whole...

You will be so sorely missed. Boo Hoo :cry::cry:. Please don't go. How will we carry on without you. :(:(:( ....................... Seriously, I am only joking:D. Hang in there and keep asking the questions and answering the queries. Ignore the bits that you find offensive :whistle:. You will...

Get the person who deposited that stuff on them back to clean them. It is difficult to get that nice finish after they have been covered in cement.

You should be controlling your boiler using a cylinder stat (or room stat) with boiler interlock. Doing it using the stat at the boiler causes exactly the sort of cycling you describe.

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I would ask for a reassessment FOC, seeing as they didn't do it correctly the first time. Otherwise I would suggest that they reimburse some of the original cost. None of those things are going to happen, but it might make them behave in a more processional way next time they go out to do an...

I wouldn't consider that normal combustion residue. It is on the inside and outside of the tube. There is also soot on the fins and on the nozzle. That looks like something unusual got into the combustion mixture. The nozzle size and combustion settings should be in the report that you got...

Anyone else hearing an echo on this thread? :D

May be its air locked. Check the fuel filter also. You could try loosening the flexi hose nut to see if you get a flow there. You could also pump back air through the flexi hose to the tank to try free air lock - if that is the problem. All of the above has the potential to cause a spillage if...

How many flexible hoses on your pump? Is the oil level higher than the pump? How many litres did you get?

The dial with the red indicator needle is showing zero pressure. It should be where the red needle is. Finding the manual will educate you, but it wont fix it. You need a solar guy. "You need to have it recharged and the cause of the problem investigated. Might be problem with expansion...

Not an expert on those, but there shouldn't be liquid (probably glycol) in there. Its presence means that your pressure relief valve has operated. With that half full, you don't have enough liquid in the system. You need to have it recharged and the cause of the problem investigated. Might be...

Would you believe that that is the correct way to fit them?