What would be the first part to fail? Comments Off on What would be the first part to fail? 21 Jan 2016 Vote Up 0 Vote Down Answered Public Public Private Electric Water Cylinders Anonymous asked January 21, 2016 What would be the first part to fail? 1 answer Vote Up 0 Vote Down Public ⋅ January 20, 2016 Typically it is the thermostat or the element that fails first. #1 Please login or Register to Submit Answer