How Many Gallons Is My Water Heater?
I probably need to buy a new water heater this year. I can’t figure out how many gallons it is. I can’t find the paper work.
The outside measures 54 inches high and 70 inches circumference which calculates out to 90 gallons. It can’t be that big, can it?
Do you know how many gallons my water heater is?
August 23, 2009 @ 7:20 pm
As a general rule, a two bath house calls for a 40 gallon.
A three bath house requires a minimum of 50 gallons.
A single bath house can go with a 30 gallon heater, but if you have the space, don’t go smaller than 40.
End of professional advice.
Now to a personal level.
Teenagers are notorious users of hot water.
When my son was one, my wife got tired of him and our daughter constantly running the hot water out with their long showers.
He was working and she made him buy us a 50 gallon heater.
They’ve hung around me enough to know how to change out a water heater. I came home from work to a new 50 gallon water heater, a happy wife and a son that was proud of his contribution to the family. Even though she made him do it.
It’s great. That’s was 9 years ago and it’s still doing great.
August 23, 2009 @ 10:50 pm
Read the label on your water heater. It is on the same label as the Model number and Serial number.
One thought would be, to install a tankless water heater in its place. Tankless water heaters are more energy efficient and also have a longer life then conventional water heaters.
Companies are Rinnai, Takagi, Rheem, Noritz. You can also google for more information
August 24, 2009 @ 3:00 am
Most residential water heaters are 40 gallons. there is a sticker on the unit that says how many gallons.
August 24, 2009 @ 6:44 am
No, as it probably has a couple of inches of insulation jacket wrapped around it. Common sizes for whole house models are 30, 40, 50,85, and 105 gallons. 50 gallon Super insulated plastic jacket models {Marathon model made by Rheem} are the same size as a basic 85 gal , due to the extra insul, so it’s hard to tell by looking at the outside. Under 1 of the cover plates should be the model and capacity info.
My electric Kenmore12 is a 50 gallon, it has a 59″height and a 72 inche circumference. I’m guessing yours is a 40 gallon.
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