Depends on tem. of water but you can get maybe 30 gal. before it starts getting too cold.
As high as the highest setting available on the tank.
14 hours
The hot water from a 40-gallon tank can last for about 30-40 minutes of continuous use. However, this can vary depending on the temperature setting of the tank, the flow rate of the fixtures, and the efficiency of the water heater.
how long does it take for hot water after lighting water tank its gas?
20 years at least, provided the hot water heater is serviced and maintained by a plumber once a year.
100 gallon.
The hot water tank might be undersized for your usage.
fret
75 gallon
10 awg
Upgrading to an 80-gallon hot water tank for a residential property provides more hot water capacity, allowing for longer showers, simultaneous use of multiple appliances, and better overall comfort for larger households.
An electric hot water tank typically takes about 1 to 2 hours to heat up and provide hot water.