Use it to heat water. Store the hot water in an insulated tank.
lower heating element is bad or thermostat is bad
A cold water tank (and pipes) in the loft is insulated to prevent frost damage during winter. The hot water cistern is insulated (lagged) all the time, to reduce heat loss and lessen the time the element is using electricity in heating the water inside.
To prevent the heat dissipating.
The hot water tank might be undersized for your usage.
do they help with hot water tank replacement
how long does it take for hot water after lighting water tank its gas?
No, a hot water tank heats water by itself.
The water being held in the water tank when the furnace shuts off is at a set temp, the water tank hopefully is insulated, as time passes, the water temp has to drop because the furnace has not come on to maintain the set temp, also the controller could be faultly that controls the water temp for the hot water heater, the only time you have hot water is when the furnace runs.
So the steam can rise from the boiler to the hot water tank storage
No, a hot water tank heats water by itself.
You will get warm instead of hot water. There is a tube inside the tank on the cold side that goes to the bottom of the tank and the hot comes directly from the top. Reverse them and you are going to get the cold water that settles to the bottom of the tank. It will not hurt the tank or anything, it just makes for poor hot water.