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Fitted new board and all was fine for a month. Now the boiler will not fire up .When i power up The voltage across the fan terminals on the board is only there for about half a second then there is nothing . Do you think i nead another new board? Thanks for any comments.

Cheers corgiman Will change it asap Mark

Hi I have the above conventional boiler and it will not fire up,and the pilot light doe's not attempt to lite The fan starts but then stops after about 20 seconds. I have changed pressure switch and boiler stat but still have same problem. Has anyone got any idea's ? Thanks for any...

BiG Thanks Ollski I will change the valve asap Mark

In that case i would put a new bleed valve on the other side of the rad(if there is a hole for it) they are only a couple of quid from a plumbers shop PS some bleed valves can be removed while the pin is in if yours is this type remove the stuck valve and replace it ,2 minute job. mark

Hi I have a Glow-worm fuelsaver conventional boiler and heating system comprising of 2 spring return valves 1 wall stat a cylinder stat ,6 rads and a programmer. All worked fine until last week when i noticed the heating was on during what should have been the off period. I changed...

Hi back in the old days we use to preheat the heating oil in the tanks during cold spells .Due to you saying it only happens during cold weather ,could the storage tank or feed pipes be in a particulaly cold spot would lagging help?

Hi after wd 40 try tightening the pin a tad then undo. mark

Hi TG sounds like you have air in the system or the expansion vessel has leaked. Add pressure to your system and bleed it. Some boilers have bleed valves on them so check yours Reset boiler pressure at 1 bar and then run your boiler. It is a possible that topping up the pressure in...

hi , will the boiler temperature control knob control the boiler temp (if you lower , and higher the temp does' it control the boiler the temp by lighting and extingushing the boiler )?

Hi had same prob 2 years ago ,turned out new expansion vessel was also faulty .Would you believe it

I do agree in part with Chris,but when you take into consideration the age of the boiler and the high efficiency levels of the new condensing boilers, the rising price of gas and future maintainance of the old boiler,the comments of the heating rep 4 years earlier, then any major cost's on...

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hI Have you tried turning the thermostat on the boiler up, also if water is pumped system try turning pump up a notch.

Hi most combis i have come across have a pressure relief valve that kicks in around 3 bar ,i would try to check that yours is working.If not you must have it replaced before any real damage occurs. I know it's not what you want to hear but i would get the boiler change . b+ q are doing...

hI are all the rads and system free of air and valves open and at least one without a Thermostatic valve? just a thought

Hi your problem is quite clearly lack of water pressure. when you are in the boiler room you should look for a pipe,or hose that is connected to your mains cold water supply, and your boiler heating system. It will have a valve on it that is in a closed position. Turn this anti clockwise...