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Old 03-23-2020, 06:30 PM
Steve Beckwith Steve Beckwith is offline
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Join Date: Feb 2007
Location: Cocoa Beach, Florida
Posts: 94
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I ran a Denver furnace and on at least two occasions I had an MDR fail in the on position. It would be discovered when I made contact with the metal frame with the pipe while gathering. Not a full voltage dose but enough to give a nice tickle. I was running them at the upper range of their amp rating. If I recall, I had problems with a 40 amp relay. I switched to a 60 amp and had no further problems.
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