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Some news---I decided to have a good look at the burner so I removed it and did the following to it. Moved the electrodes 0.5mm further forward. Cleaned the blast tube as It had a sooty deposit inside Removed the nozzle, dismantled it, no dirt found so reassembled. Removed some slight carbon...

HI John---Boiler is wall mounted balanced flue. Have run it direct from room air simply by removing front panel as this exposes the complete internals with air intake exposed. Purge lasts for 12 seconds as per Riello spec. My Boiler man is due a visit for the annual service so will ask him to...

Electrodes brand new and set exactly to Riello dimensions. I wondered my self if the flame was being "snuffed" out somehow but what would be wrong to cause this effect. Internals clean. Nozzle approx 10 months old but this problem not changed when new nozzle fitted. Photo cell brand new...

HI good folks. Continuing my quest for the solution to the firing problem I replaced the solenoid coil as suggested but no change. A good friend of mine is a "boiler man" and suggested that the solenoid needle valve sometimes went faulty so have just replaced that but again no change. To...

Hi----This "fault" has been with me for months now so it was a process of elimination as I cannot positively identify what is wrong. Agree they are very reliable with 12 years perect service but now there is a problem that I cannot as yet solve hence this question in the forum. Peter

HI John---Thanks for the reply. I take it you mean the solenoid coil. As an electrical engineer I have had many dealings with solenoid coils in one form or another but never come across one that causes the valve to not work properly. Either they are ok or not but for the sake of £9 I will...

Riello 40 G2SX burner approx 12 years old. The problem is that the firing is random. The flame is allways established first time without problem then it either works normally or about 50% of the time the flame goes out after about 1/2 second then refires ok at second attempt. New nozzle...

Oilman I have managed to see the control box number and it is the 530se fitted !!

sorry meant 530 se box

The boiler is a wall mounted camray and the control box is at the back and is virtually impossible to see it without having the burner out. However I will get a mirror and see if I can see anything resembling a number. Re the oil leak. The leak from the oil seal on the damper cylinder was...

Thanks Oilman. The answer to your question is that I do not know (yet). The current situation is that I called out the engineer this morning and he has just left a couple of hours ago. he is a personal friend. He has gone through the systen and found an oil leak at the end seal on the damper...

Some help/advice please. First a question, If there is no flame established at start up should this burner go into lock out immediately or should it try a few more times. Now the reason for the question. I went on holiday for a few days and turned off the boiler. On my return I turned it...