I can't believe the rest of the heater hasn't simply colapsed around itself. I can't believe such condition wouldn't have also effected the pump, right? I am still floored looking at that.......I can't be the only one that is shaking their head. I know I don't keep my pool up perfectly......but somebody murdered that equipment.
Oh, per chance, have you tested the water at that location? It would be interesting to know just how out of balance it is.
Bob E.