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Thanks. Yes, I have removed and cleaned all the valves and O-rings etc but I'll do it again. Peter, please get in touch about parts 07859066905. Very many thanks, Ian

Thanks. Yes, I have removed and cleaned all the valves and O-rings etc but I'll do it again. Peter, please get in touch about parts 07859066905. Very many thanks, Ian

Peter, it won't let me send you a message unless we are 'friends'. Please could you drop me an email to [email protected]. Many thanks, Ian

Tony, thanks for sensor resistances. I think their OK, tho'. I think someone must have removed the filter on the CH Return Isolating Valve - I'll get a new one. Peter, thanks for the offer. I'm near Salisbury at the moment but this coming Monday, I'll be returning to Plymouth, where the...

Morning! Does anyone know the voltages and test points that I should test for on the PCB, to test whether the various sensors are working correctly? My Ferroli boiler manual gives them but this one doesn't. Is it possible that the boiler is just not powerful enugh to do a big house like this -...

Thanks Pete, especially for the offer of parts. I did try swapping the thermistors over. It didn't make any difference to the CH but, the first time I turned on an HW tap the flame kept going on and off quickly and the water ran hot and cold but I tried it several times after that and it worked...

Spent half the day on the boiler. I've dismantled it completely and can't find a filter anywhere!. The boiler was built in 2001 - maybe they didn't have a filter back then? Also, there's no blockage anywhere. There is just a thin, black film (from the rads?) on the inside of every component but...

Dear Agile and 45yearsagasman, Thank you both very much for your helpful replies. I'll check it tomorrow and let you know. Best regards, Ian P.S. My Maintenance & Service Guide (Ref 11/2000) says it is in the CH return between the tail and the tap. Edition 4/95 on the Internet says it is...

Can anyone advise, please? My britony combi SE 100 boiler, installed in 2001, seems to work correctly EXCEPT that it no longer heats all the rads properly. Are there any common reasons I should look for? The ch flow and the rads closest to the boiler become too hot to touch but those farthest...

I should have said this is a Ferroli Boiler, model Sigma 60 - 100. In summary, it works properly for a while (usually for over an hour), with the flame cutting in and out as required. Then the flame cuts out and locks out (again for over an hour) until I turn the CH Temp Setting Knob (on the...

Sigma 60 - 100. There is an intermittent fault. I think it is the CH Flow Temperature Sensor or its controlling circuit. Please advise what further diagnostic tests I should do and, depending on the test results, what repairs are indicated? (I would prefer not simply to replace expensive...