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Hi Everyone, I'm looking for opinions please.... I've just had a worcester bosch greenstar 24i installed in two flats. My problem concerns winter hot water temperatures. My installer fits these boilers as normal practice in flats of my size and maintains he gets the hot water coming out...

nil as far as i can work out, some else went on about rubber washers and tony's comments were wiped out when that bit was deleted. mark

Mod 10 is moderator 10, a site moderator who keeps the site safe for avid diyers, perhaps got carried away with deletions on reading a bit about rubber washers joining the halves together (above, now deleted) and just generally deleted bits and pieces that might be thought of as verging on the...

Ive decided to give up and get a new boiler.The boiler connections would need recoinditionign no doubt by the time all thiws went on. Thanks for the advice all. mark

But I could imagine schemes where the molding on the two halves was sufficient to keep the rubber out of flames way, say a protrusion on one side and a dent on the other, with the rubber seated in the dent. I guess I will drain my system again and pull the heat exchanger apart, see what I can...

Tada! Now we're getting places, thanks Mr G. Further refinement though would be appreciated: Normal rubber like comes out of a tree suitably processed??? I'm kind of wary about this, wandering down to my local plumbers merchants and saying do you have some rubber washers this size... I mean...

Fire away guys, its fine, I'm open to advice and realise that my past plumbing and gas work may have no bearing here.... the structural engineers maxim "just cause its stayed up for the last two hundred years doesn't mean it will stay up tomorrow", could of course apply here, "just because...

Thanks.... Hmm, the gas fittings are below the heat exchanger... unless you mean just the route that the gasses take to get to the flue. My impression is that the major job here is to seal the waterways, and if that is done the rest comes easily. There is very old hard set paste like...

Thanks Chris, its my own kit in my own place. The advice from the manufacturer was not to not repair, rather it was that they no longer used that construction of a two part heat exchanger and therefore had no idea of what sealant to use between the halves. Ok, Chris, here we are with what...

Hi everyone Ive got an Ideal Concorde WCF, about 20 years old. Rather than go through the financial pain of ripping it out and getting someone to install a new boiler, I need to fix a leak on it....between the two halves of the heat exchanger. The heat exchanger comes in two parts, and the...