"Does the boiler efficiency change depending on the temperature of the water it is heating for example?"
Heat transfer is less rapid as the water gets hotter, which complicates things.
DTD
Do you know which is best in a condensing boiler, the use of stainless steel or aluminum for the heat exchanger? Do they both react with the copper in the system or do they both develop an inert layer that stops this?
Last edited by: busbee on Mon 24 May 10 at 10:50
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