Residential Hot Water Heaters

Archive for the ‘Q and A’ Category

I need to buy a new water heater and it has to be electric. The way I am reading the requirements to be eligible for a tax credit, the electric water heater has to have an Energy Factor of 2.0 or greater. I’m not finding any electric water heaters with an Energy Factor above 0.98 though. Any specific brands and model numbers of a qualifying electric water heater will be greatly appreciated.
I appreciate the answers. Thanks for your help.

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The water heater is fine during the day, however, when I go down to the garage in the morning, the relief valve has released a large amount of water all over the floor. I know it’s the relief valve because I have placed a container below the pipe for the water to drain into. Any suggestions?
The relief valve has a pipe that is connected to direct the water that comes out from the relief valve. So I know the water heater itself is not leaking. The water is coming directly out of the relief valve at night when it get cold.

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It is time to replace it; how difficult will it be to put the new water heater in the garage which is attached to the house; but on the other side from where the current water heater is. And, does anyone recommend waterless heaters that give instant hot water?

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Does water heater btu rating include the efficiency of the heater? Is the the btu rating of the water heater, the actual amount of energy that is absorbed into the water or is that just the input and you have to added in the efficiency. In othr words if I wanted to heat up 100 gallons of water 10 degrees per hour. Do I need a heater that has an input of 8330 btu’s or do I need to find the efficiency of the heater and add that in.

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I live in an apartment building. Each unit has a very compact water heater but every morning I wake up to shower and the hot water is gone after 1-2 minutes. That means in the middle of winter the I’m stuck showering in freezing cold water. I think this is just ridiculous that the apartment management has not supplied its residents with sufficient water heaters to supply hot water in the winter season. What should I do?

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Our water heater flooded our garage. I am assuming it needs replacing. I shut off the water to the house and the pilot on the water heater, but how do I shut off the water going to the water heater? What is the typical cost to replace a water heater?

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I was told by someone that the insulation around the water heater caused it to sweat and rust at the bottom. This is the reason why the water heater is leaking.
Any information would be very grateful. I am having an arguement with the company who came and insulated my home. This company wrapped the water heater saying it would help. The water heater is about 13 years old and still looks brand new except for the rusting that is now on the bottom which wasn’t there before the insulation.
Thanks for any help!!
The insulation has been on the water heater about 2 or 3 years.
Who should I vote for? Everyone gave about the same answer that it needs to be replaced.
So, I don’t have an option to choose everyone as best answer. Good luck all in the voting!!!

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All electric house. I am considering adding on demand water heaters in two places. They cost at least twice as much as a tank type.

Does an on demand burn the heater elements if the water is turned off? My tank type does burn out the heater elements if the water level drops below the elements in the tank.

Also, is the on demand water heater repairable or would a person have to buy a new one in case of failure?

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Hello! I may have a problem with water hammer or pockets of air or whatever in my plumbing system. In order to troubleshoot, I want to drain the water from the pipes for the whole house and then refill it. What should I do with the water in water heater and water softner? Do I drain the water heater and water softner? Just turn power off on my Kenmore water softner? or use bypass valve? Thanks for your time!

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I live in an apartment and my water doesnt stay hot enough for longer than one person to take a shower without waiting a couple of hours between the showers. This is very annoying so I asked the maintenance man about it and he said my water heater was new and it probably just needed to be turned up but yet he never sent anyone to do this.
So do you think he’s full of crap or can turning up the water heater really help fix this problem.
If so how can I do this myself? Is it just a knob?
Its an electric water heater.

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