Now scenario 2 i would do series but i would use the first tank as a warming tank in other words as the second water heater uses the hot water it will pull in the water that is pre.
Dual water heater.
This unit comes with two 4500 watt elements and an automatic thermostat which keeps the water at the desired temperature.
The entire unit fits under the vehicle chassis saving precious space inside.
One tank set low like 25c the other set to 56c.
Water will be drawn off of both water heaters so you will get about 80 gallons of hot water out of 2 50 gallon water heaters the would still be hot hopefully.
Solar in summer and oil in winter.
It both heats up the cabin and provides hot domestic water.
Electric tall water the rheem performance 40 gal.
3 0 gal 11 l diesel.
The rheem performance 40 gal.
Now it my understanding that dual water heaters are supposed to be plumbed in parallel.
Dual top evo 6.
If the high limit switch fails to activate a pressure relief valve typically located against.
That the two water heaters could be plumbed in series to improve efficiency.
5 120 20 470 btu h 1 5 6 0 kw hot water boiler capacity.
As with gas water heaters dual element electric water heaters feature a number of safety devices.
The webasto dual top evo 6 uses just one fuel source for total comfort.
If the water within the tank reaches a dangerously high level a switch called a high limit switch will automatically cut the power to both elements.