It would never be touched. The shower is just to the other side of it. The wall is tiled that side. I must just check no water is seeping through
I wouldn't say it warms it significantly so i don't subscribe to that view either.To give any reference to how efficient the exchanger is you need the condensate from the exchanger alone unless you subscribe to the belief that condensate in the flue warms the incoming combustion air to any significant extent.
I wouldn't say it warms it significantly so i don't subscribe to that view either.
However assuming a concentric flue, where does the latent heat of any condensation in the flue go?
I do agree measuring condensate volume doesn't tell the whole story, if the boiler isn't condensing at all the efficiency can still vary, but once it's in condensing mode it would be ok.
Even in non condensing mode it would be a bit better than an old school boiler just due to the lower flue gas temperature, but i think that's common knowledge around here anyway.
We were talking specifically what condenses in the flue itself, i agree that when the flue gas leaves the terminal the is still a lot of condensing to happen but the condensate from that won't end up in the condensate drain, more likely end up as rain.Look at the plume at the terminal, the latent heat goes to the same place as sensible heat in the flue products, the atmosphere.
We were talking specifically what condenses in the flue itself, i agree that when the flue gas leaves the terminal the is still a lot of condensing to happen but the condensate from that won't end up in the condensate drain, more likely end up as rain.
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