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how sure can you be about the pump, this was checked and seemed to be spinning strongly? The boiler will run for several minutes and start to heat the rads and then cuts out to L9 (pressure gauge also fluctuates eractically up and down). Its driving me crazy!!

Called out to boiler fault, nothing working when arrived, client advised diaplay panel had not been working for several months. I changed display to get faults codes but nothing happened, so i then changed pcb as well. All seemed ok when i left, client then called to say 'L9' appeared and...

the diference is the material of the vessel, steel for the htg and stainless for the drinking water.

i would like solar, but not sure i'm staying there v. long, probably only a few years. so won't benefit.

any clues on which has the cheaper fuel/running costs? Monthly costs etc as a guide would be helpful.

I am about to move into the coutryside, the property i'm moving to has an oil fired boiler. It's an old boiler and system which will need to have various things upgraged etc. The flue will probably have to be moved due to future building works, this makes me think about installing a new HE...

not all boilers have a built in pressure sensor, if not they will possibly have an over heat stat to sense the circulation loss and heat gain.

IF YOU ARE REFERRING TO LOCK SHIELDS THEN IT DEPENDS ON HOW CLOSED OR OPEN THEY ARE AND THE PUMP SETTINGS

anything that is not smooth will reduce flow you dipstick. Obviously not a pro WILHELM!

i have a potterton kingfisher 2 boiler. When the boiler has been running for some time and gets hot, it the starts to spill water out of the over flow. The boiler is not over heating, the boiler stat and cyl stat are ok. I had the system power flushed today because of this problem but it is...

thats correct regarding resistance, always use bends if possible to stop the reduction of flow.

do you want a combi boiler that heats water on demand or have a stored amount of water in a cylinder in your airing cupboard?

if the new rad is exactley the same width as the old one, then this is not a difficult job. Make sure you calculate the height correctly for the brackets to match pipes. If diif size rad then call experienced person to make neat job.

You do need a special key that you can get from any hardware store etc. or even a neighbour. You only need to undo this valve slightly until air is released, then close when water arrives. As for the timer you will probably need a new one.

i did not check the gas/air ratio. Does anybody have first hand knowledge. Thanks Nick

if you want to go all efficient then look at getting a megaflo hot tank or similar. This provides excellant heat up times with great pressure to hot taps. No need for shower pumps. These tanks also are stainless steel with 25yr guarantee on corrosion. Cheers Nick

even if the tap still turns as it should, then the washer may have come loose from the inner and stuck in the bottom. Thanks Nick

1) The ideal pressure is 1-1.5 bar. The way to increase this is: Under the boiler there should be a braided silver hose with a valve on each end. You may need a flat head screw driver if it has no handle. Open the valve or valves if one at each end of hose and you should then hear water...

the falut is usually the tap guts that have become undone/loose or seized inside/under the handle. Does the tap turn as when it was ok. If not then that is your falut. This can be repaired if patient or just simply buy new tap guts/inners. If you buy new inners then take the tap head with...

I have come across a problem with the above boiler. The symtons are: Very loud groaning, fast then slow etc. Enough to scare a client and wake the neighbours. Ideal themselves have no expalnation and could not pin point the fault. All checks were carried out an the boiler etc.seemed...