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Does any one have any direct experience with these hot water heaters? I know that AOsmith have now pruchased Lochinvar, but it seems they are mainly used in the USA, so cant really find any forums/installers with direct experience...my concern is the reliability issues that alot of americans...

I am designing a new Hot Water system for 9 apartments within a serviced block. The mains we have consists of 3 X 25 plastic inlets. I have 3.5-4 bar pressure with over 90 l/m when I put them into a manifold a test using a Hedland In line flow meter. What I intend to do is run the 3...

Hi all, I have a Santos unvented system, with a Viessman Vitoden 100 heat only. The heating has its own external Exp. Vess, and the DHW has its own white slightly bigger Exp. Vess. I live in central London with very hard water, about 400 parts, and when I have a shower and someone else...

Any one experience with these products? I have had installed 5 cylinders. 2 X ariston ITI 300 stainless still hot water up in the loft next to my 635 valliant system boiler 3 X 500l accumaltor in the basement which are being fed main pressure which is over 4bar and very good flow...

Hi all, I have installed 2 Viessmann boilers this year. 1st the older 100 heat only compact model. And now the new larger 100W combi version. After 12 months the compact 100 has only had the F4 problem which was fixed by a new black spark generator. The newer 100W is having a different...