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It does work... Just, Bernard, installed like that when flats were built 40 years ago. Hot water ok but struggles a bit when heating is on, then can get some pump over

Thanks Bernard, I would like to keep to a vented system but the f& e tank is level with the boiler (property is a flat), looks like it has to be pressurised

Thanks Bernard. So a heat only boiler (conventional) with separate E . Vessel will not shut down with low pressure? I'm talking probably about a W Bosch.

Going from vented to a pressurised system. One installer told me that you can keep the pressure lower on a conventional boiler (with pressure vessel and pump in the airing cupboard) compared with a system boiler. Is that correct and if so why? Thanks

that looks better than what I saw on u tube, wonder how long it takes to cut thru 40mm waste, I;m fed up using a hacksaw especially in situ

saw a bloke on u tube cutting through a plastic pipe with a piece of nylon thread or something similar.( by moving it back and forward) anyone know about that or otherwise a not too expensive cutter, they look expensive at Screwfix thanks

Thanks Terry & Jeff

Thanks, don't think that there are any screws though, just held in place with cement

Am going to replace old wc in next few weeks. So, concrete floor , when pan installed years ago it was obviously located on a big mound of wet concrete. Just wondered best way to remove, is it a hammer job/smashing it up? Thanks

Can u tell me where please, what are main bits, heat exchanger, gas valve??

Thanks Ian, yes I've been thru all that with the quotes that I have had. Torn between leaving it or changing but I know that when it breaks down there are no spares available, Gloworm spacesaver mk1, ,Sods law it will break down on a winter's day.

I currently have an old vented system with balanced flue so don't have to worry about changing fans etc but have been thinking about changing for a new boiler, just looking at potential costs , I do remember that the fan only lasted a few years, so I suppose if I get someone in to change must be...

Thank you for your detailed answers. I suppose that my thinking was/is if the fan is knackered then obviously the boiler won't run, replace the fan , the boiler will work and in theory I have had nothing to do with the gas so no problems. Yes, I can see that if something were to happen then I...

Ok, so 30 years ago it would be ok for me to change the fan but not now? What is G3 registered. Thanks

About 30 years ago I had a vokera combi boiler and I used to change the fan myself when it packed up. Having read posts on here it looks like u have to be gas safe to even remove the boiler case. So what has changed and does it apply to all boilers? Thanks

Come back if it leaks, I have put together a special stop end on rad tail for this situation, can post an image, am thinking about dragons den at the moment

That is correct, only thing is if they are ancient they could drip slightly but u won't know until u take the rad off

Thanks for your replies

I brought some Granville clear gasket sealant but unsure, is there a better one or is this ok? Also do I put the sealant on both sides of gasket including the side that fits into the channels of can cover? Thanks

Do u have a shower cubicle situated near to the toilet? They are often the culprit. If not It may be easier to create a large hole in the box section and peer inside with torch