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
A 40-gallon hot water tank weighs approximately 300 to 400 pounds when full. The weight includes the tank itself, which is typically around 100 to 150 pounds, plus the weight of the water, which is about 8.34 pounds per gallon. Therefore, the total weight can vary depending on the specific tank and its materials.
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.