The data shows that Americans will pay an average of $328 a month for a middle tier health plan, while other analysis shows that health costs may go up for younger Americans under the Affordable Care Act. Obamacare's average monthly cost across US: $328 (Reuters).
We'd guess that people could tell more things about their cars than their water heaters, even though a car is vastly more complicated. When a water heater breaks, most of us are in a hurry to get a replacement. Nobody likes cold showers. Under those conditions, it's hard to buy wisely.
These are all classic symptoms of air in the cooling system. What happens is an air pocket gets trapped somewhere in the system, and does not allow the coolant to flow properly. When this happens, it creates a steam pocket that does not allow coolant flow; hence, the overheat.