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No, an expansion tank is not required.
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∙ 9y ago
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What kind of fuel is required for tankless water heaters?
There are two types of tank-less water heaters that run on two different fuels. There is a electric heater, and an oil heater. One gets plugged in the other uses oil
Why expansion of water is more than expansion of solids?
The inter atomic force is comparatively less in case of liquid
Is a direct vent water heater as good as a standard vent water heater?
a direct vent water heater is more fuel efficient (cost's less to operate). aside from that there isn't much difference, aside from not needing a double wall flue through the roof on a standard gas water heater.
How do you install propane tank less hot water heater?
Installation instructions come with tankless water heater, but would recommend someone experienced enough to install.
What does it mean if your hot water pressure is less than the cold water pressure?
My guess is that the hot water heater is installed downstream from a pressure reducer to limit the maximum water pressure that the water heater is exposed to.
Is it cheaper to have a reliance water heater?
You can save more money when purchasing a reliance water heater ,because it is less cash consuming and useful. Purchasing is cheaper them renting one.
What are the advantages of using a gas water heater?
At current gas prices they cost less to use and a gas heater gives you a much greater supply of hot water on demand.
What should the water pressure be exiting the water heater?
A lot less because the water is flowing if it is exiting and it depends on the water pipe size.
How does a tank less water heater save energy?
the magical elves man they save your energy for you
Will turning hot water heater off for two days save electricity?
Not significantly. Using less hot water in general will save.
Need to replace hot water lines. Do you need to turn off the hot water heater if you shut off the main water line?
Yes. I would. If you are replacing the hot water lines, it is also a good time to drain the hot water heater and get rid of all the junk at the bottom of the hot water heater. That should be done once a year. Your hot water heater must be off when you do that, your hot water heater should be off when you drain your hot water heater. You will see boiler scale come out of your water heater. Leaving the boiler scale in your water heater makes it less efficient. It makes it harder to heat your water. It is the same as throwing money down the drain. If you want to give your money away, you should give it to the Salvation Army instead of the Utility Company.
What size tank less water heater do you need for a 1400 sq ft house with 3 sinks 2 showers 1 dishwasher and 1 washing machine?
A single tankless water heater will not cope with all that.
