Yes it could
To make sure the water heater is always supplied and don't run dry, which could cause it to overheat.
First you must check why the overheat (one shot) thermostat has operated Is yours a hard water area ? If so the heater tank and heating element could be scaled up. This will severely limit the transfer of heat into the flowing water and cause an overheat of the heating element. The overheat will open the one shot thermostat. Check the heater tank and if not scaled fit a new one shot thermostat. Obtainable from Mira as a spare part. If the heater tank is heavily scaled I also advise to fit a new heater tank
The fuel pump is located in the fuel tank and is cooled by the fuel. If you ran out of gas it could cause the fuel pump to overheat and burn out.
the operation of a expansion tank?
No, an expansion tank is not required.
your cars thermostat could be broken, making the coolant+engine not heat up, sucking the coolant from the expansion tank because its cold and giving your car a rough idle cause it has a hard time warming up
It is possible that the expansion tank on a boiler could have too much water and not enough air, causing leaking. To fix this problem, the tank should be adjusted to the right levels of each.
it could be that it's a little over full
There are several things that can cause your fuel tank to leak. The most common cause is a hole in the fuel tank. A loose fuel line can cause the fuel tank to leak.
An inoperative radiator fan is likely.An inoperative radiator fan is likely.
Allows for expansion and contraction of various systems
It is just a expansion tank. Henry