I remember reading something a while back about Cast Aluminum heat exchangers in Boilers like the Buderus GB142 wall hung series potentially requiring some sort of inhibitor or something else. Is it the order of metals/electrolysis i.e. would you need/prefer to run only non-ferrous metals with these boilers as opposed to one that runs stainless steel where you could easily run steel pipe or something else?
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Aluminum heat exchanger in BoilerPage Title Module
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