I used this unit to thaw a frozen septic tank with at least 4" of ice. I chopped a big enough hole in the ice to put the unit on water, when i came back in a week to check on it, all the ice was gone and the pipe from the house was open. I know it was not made for that, but it worked better than i expected.
Verified purchase: Yes | Condition: New
I have one already, will be my substitute if the first one go's bad . the one I'm using ihave had for a while, and is still working
Verified purchase: Yes | Condition: New
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