Would a battery charger not be a better way to reverse a chemical reaction?The bolts have probably chemically welded to the threads on the heater. I have a 30” long 1/2” drive breaker bar. This has either loosened or broken every nut or bolt I have used it on. A couple of whacks with a hammer on the bolts may break them free otherwise I would get a breaker bar with a 6 sided socket.
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