When the transaction volume gets high enough to force the issue which it still hasn ' t . Regardless of what the solution ends up being it will be fixed , or else a competing cryptocurrency will just overtake it which is in no ones interest , so the infighting will stop quickly enough when it has to <| sep |> They ' re stackable but they ' re not connected to each other so you have 2 problems . First thing I would do is disconnect all the hoses both sides of the water hoses and the dryer vent hose and check for blockages . If your dryer vent hose is completely blocked with vent you might be flipping a safety switch that won ' t let it heat up or you could have a bad heating element which is fixable but start with the vent hoseAnd if you haven ' t cleaned out the water hoses in 15 years I can only guess that is problem # 1 . A lot of nasties build up in that long . Here ' s a couple videos to start withPhdklAeHoTgWhile you ' re tearing things apart do this too RUygUJGVP 6 E I had a washer that would lock up if there was junk in the drain hose