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I have a 3" Milwaukee bi-metal hole saw. Will it put a hole into an old electric water heater? I have both electric and battery drills, but am wondering about the safety of the electric drill due to possibly encountering moisture.
Hmmm... in a closet, weight is an issue in removal, there is sludge and it is not being used.
Logic:
Task:
Remove sludge and water to make it lighter, or have something that can lift it easily.
Solutions:
Pulley hoist, also called sn"i"tch block and a rafter. (Substitute an a for the i)
Or:
Attach tubing from the cold water input to a wet vac or better, to a hose outside. Attach another hose to the hot water output pipe to ADD water to remove the sludge the and then disconnect it and continue with the other, so the output eventually goes from sucking sludge, to sucking water, to sucking air from the dip tube.
Making a large hole in the side will only result in massive amounts of crud coming out suddenly - crud that is hard to control and stains. I would sooner drill a 1/2" hole in it and use a wet vac. Any remaining sludge is unlikely to have more weight (with tank included) than the empty tank when it was new.
I've tried all kinds of klugey stuff over the years; now I ring my next door neighbor's doorbell; he's about 40 and works out; the two of us can lift most anything I need.
…or you could just open the hose bib/sillcock and drain it!!!
That would be the easy way, but I'd bet even money that it is frozen shut if the unit is in that bad a state.
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