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That would be one huge wire!. I've never seen a tankless water heater being powered by a single wire. They are usually 3 separate 40 or 50 amp circuits that use three separate 2 pole breakers. Check your wiring diagram that comes with the unit.

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9y ago

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What are the benefits of using a natural gas tankless water heater?

Some of the benefits of a natural gas tankless water heater are that hot water is available at anytime, the cost to operate the heater is less than a tank and there may be government grants to entice consumers to use the new system. Overall, energy saving and constant hot water availabilty at the main advantages.


What is the best electric tankless water heater for a mobile home?

If you have a barnett in your area get a Noritz 531 there are indoor and outdoor models and natural gas and LP models. WATER SOFTENER IS RECCOMENDED FOR ANY TANKLESS WATER HEATER IF HARD WATER IS PRESENT. I power my house with this but i only have one bathroom. I do not reccommend electric tankless


Are tankless water heaters electric or do you need to get propane?

Tankless water heaters can be powered by electricity or propane. Electric tankless water heaters are more common, but propane tankless water heaters are popular in regions where natural gas is not available. Both types offer energy efficiency and the convenience of on-demand hot water.


Does the ground wire from a 240 volt tankless water heater connect to the common wire?

Any ground wire has to be connected to an independent ground wire that returns directly to the distribution panel and not to the neutral of the circuit.


Does a tankless water heater require a thermal expansion tank?

In America, local building codes will decide. For example, in Pinellas County, Florida, they are required with every tankless installation, but not required in some surrounding counties. Always use a certified plumber, and hold him/her accountable to meet local Codes via the Inspection process. Contact your local Building Inspection officials for info on equipment requirements and permitting. Expansion tanks are ALWAYS a good addition to a gas or electric tankless system. All of these systems have their own controls that adjust the amount of heat applied to the water in the coils. If these malfunction, overheating may cause a steam bubble to be created inside the tankless heating unit. An expansion tank allows for the extra pressure from this expanded water to be absorbed safely.

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what is the website to guide you about the best tankless water heater?

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What's the advantage of an on-demand (tankless) water heater?

A tankless water heater is much more efficient as it "flash" heats the water.