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I have a problem with my 8 month old Ferroli boiler which their engineer is claiming is not down to a fault in the boiler so in effect they have walked away. Briefly when the heating system is first put on I would expect the burner to be on max. There is a visual display which goes up to 5...

Who makes the best and most reliable boilers ? The reason for asking is that I presently have a Ferroli that's constantly breaking down. On average every three months. The latest problem relates to a seal going around the burner allowing the flame to get into the casing. This has also warped...

I have recently replaced my Honeywell three port valve head. Is it normal for this to remain quite warm even when the heating & water have been off for some time and the pipework has cooled down?

I have recently had a number of problems with my heating system. Basically I can get heating upstairs or downstairs but not both at the same time. The problem seems to be related to the return pipe to the boiler which is just getting warm. I think that there may be a blockage in this pipe. I...

Having recently drained & refilled my central heating system the radiators are not working. Hot water gets as far as the inlet pipes but does not enter the radiators. Having tried all the recommendations regarding air locks & bleeding etc, I think I may have a blockage in the 22mm return...

Having drained down upstairs central heating system to replace 3 way port valve, system refilled okay but power to radiators very poor, luke warm - return pipework cold. Tried draining all system this morning and refilled but again pipework from boiler nice and hot but return pipework cold and...

I have recently changed the 3 way valve and drained the system. I now have a problem in that hot water is getting to the inlet pipes at the radiators but the rads are not heating up. It seems that the water is not flowing back to the boiler. I've tried bleeding and shutting down all radiators...

I have an open vented system and recently noticed that water was coming out of the overflow from the expansion tank in the loft. Having checked the tank, the water level was above the ball cock and so thinking the ball valve was the problem, I replaced it. However, the problem is still there...

A fault has developed with my Ferroli Maxima 35S boiler. The fault code indicates that the flue gas sensor may be damaged. This seems to have happened during the recent bad weather. Is it possible that rain water could have entered the boiler via the flue and damaged the sensor. As the...

Could someone confirm what a Y Plan refers to. I think it's when the system can supply heat to the water & heating separately or both at the same time. Is this correct :?:

I've noticed that there is a short length of 15mm pipework complete with gate valve connecting the 28mm flow & return pipes. I would be grateful if someone could explain what this is for and should the valve be open or closed ?

Is there a procedure for filling a central heating system ? I drained the system down to replace two radiators and I'm now having problems getting some of the radiators to heat up. I have done the usual things like bleeding & shutting down certain rads to try and force the air round. I...

I've just had a new Potterton boiler fitted. The plumber tried to commision the boiler today and could not get it to work. The supplier has said that the unit can not be returned and exchanged and that a Potterton engineer must firstly inspect the boiler. The engineer is not available...

On BBC Watchdog tonight they discussed problems with the PCB's in the Potterton Suprima Boilers. Does anyone know if this is still a fault with the new boilers? If so, what would be a good alternative to have installed?

I would be grateful if someone could give me some idea what I should be paying for the supply & fitting of a Baxi Solo 24kw, 3 new rads, programmer, 7 radiator theomostats & cylinder stat.

I recently drained down the system to replace a number of radiators. A problem has now developed whereby air is being generated or some how being allowed to enter the system. If the heating only is on there is not a problem, but when the water to the hot water tank is being heated, then I...

My central heating system is approximately 12 years old. When would you expect that the radiators should be changed. Does their efficiency reduce with time? I know that there can be a build up of sludge. If this is flushed out will they be as good as new? Cheers

I have a new Ferroli Maxima 35S bolier which is less than 6 months old. Earlier today it started to emit a loud banging noise followed by an emission of steam from the top. Ferroli have said that the boiler had overheated but are unable to give an explanation why. I was told to let it cool...

I recently had a 35kW boiler fitted. The system is not of the sealed type and the boiler is topped up from a small header tank in the loft. I have noticed that the water in this tank is getting hot and this is not coming from the expansion pipe. I would think it must be due to heat...

I recently had a new condensing boiler fitted. The pump is now in the boiler rather than being up stairs in the airing cupboard. The problem that I now have is that the radiators up stairs are getting hot but the downstairs radiators are very slow to heat up and never seem to get to the...