DonL
Jack of all trades Master of one
Got any third party data that backs up that assertion? (My sample size is small, but I don't personally know anyone who has had a mod-con flat out fail in 10 years. Though there is plenty of credible internet scuttlebutt about aluminum heat exchangers failing, I haven't seen it.)
Galvanic corrosion is my guess ?
Tom is Correct, Designs like that suck for the most part.
It IS Rocket Science, and Tom should not be telling the secrets.
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