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Very interesting publication on aluminum vs stainless steel in boilers:
[DLMURL]http://www.weil-mclain.com/en/assets/pdf/WhitePaper_CompALSS_Final.pdf[/DLMURL]
But plumbers on forums are saying to steer clear from aluminum.
As for the dB levels - you are seriously wasting your time even giving this any thought. As already stated, a washing machine or kettle will be much noisier.
How much time do you actually spend in your kitchen with no other appliances running?
House currently live in has Ideal combi. When I`m in bed upstairs I can hear it running and it drives me nuts. Noise seems to come up through pipes.
Its not about noise in kitchen, but living room & bedroom.
That white paper doesnt say "dont buy aluminum". It provides quite in depth view on each metal and how it will affect boilers life.
Plenty of people are saying corrosion, grey goo, blocked lines.
https://www.google.co.uk/#q=stainless+steel+aluminum+heat+exchanger
Yes, aluminum does have 4.5x better thermal conductivity, but tube walls are much thicker due to fact that is not as strong as stainless steel - will crack and leak over time. On that fact, thermal cond. is equal.
Very interesting publication on aluminum vs stainless steel in boilers:
[DLMURL]http://www.weil-mclain.com/en/assets/pdf/WhitePaper_CompALSS_Final.pdf[/DLMURL]
But plumbers on forums are saying to steer clear from aluminum.
When condensing boilers became the norm after 2005 Part L building regs. came into being, all the talk was of how aluminium heat exchangers wouldn't last the course & how stainless would be so much better.
In fairness I have not heard of any prematurely failed heat exchangers, ally or S/S so probably all just mythical nonsense, just like the year 2K bug !
Hold your breath just had an email that Vaillant are bringing out a new boiler expected to be called underfloor tec and the energy consumption Is unreal they've also developed a new way of fans operating and are almost silent watch this space.
Is that the one where they insist on you using Dihydrogen Monoxide as the heating medium?
Yep it is I wasn't going to say but you've let the cat out the bag now! The way it fractionally distalisees dihydrogen monoxide and sells the unused products back to the energy supplier turning a profit for the user is unreal! Heating and ho****er and they pay you an average of £648 a year is mind boggling. I just can't believe it will only produce a max of 23db doing all of that I have one pre order.
Yep it is I wasn't going to say but you've let the cat out the bag now! The way it fractionally distalisees dihydrogen monoxide and sells the unused products back to the energy supplier turning a profit for the user is unreal! Heating and ho****er and they pay you an average of £648 a year is mind boggling. I just can't believe it will only produce a max of 23db doing all of that I have one pre order.
Dihydrogen monoxide defiantly is the way forward, incorporate the new ceramic heat exchanger being developed and i reckon boilers will easily push the A+++ on that new ERP thing in September.
We have to do the 7 day CPD course to work on theses though, and Yeh they are all ERP pumps ,,,, also worth mentioning you can use WIFI to adjust the Dihydrogen output, just means we need the new combustion analysers that incorporate the Dihydrogen sensor, I do hope they have a 5 year life span,
does that mean if you have an i phone no more stupid little button clocks/timers to set ? you can just dl the app and set your times like a nest or wave
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