Can you use a tankless water heater with a 200 amp service?

A 200-amp service allows operation of multiple appliances at once, while a 60-amp service won’t provide enough power to run an electric hot water heater, air conditioner and hair dryer simultaneously. The EcoSmart Eco-18 model requires two 40-amp breakers for installation and has a 75-amp draw.

How many amps are required for a tankless water heater?

A tankless water heater requires 120 amps to run on average.

If your home is older, you’ll likely need a professional electrician to upgrade your system and increase the amount of amperage available in your home.

What size breaker do I need for an electric tankless water heater?

To find the breaker size: multiply 1.25 or 125 % by the rated amp of your device, which, in this case, is 31.7 amps. Finally, get the closest breaker size based on the final answer (39.62 amps), so for a safe maximum continuous load on our sample heating element, the breaker you should buy is 40-amps.

Do I need to upgrade my electrical panel for a tankless water heater?

Gas tankless water heaters generally do not require the same upgrades to a home’s basic services as electric tankless water heaters.

Does a tankless water heater need its own breaker?

A tankless water heater will require a dedicated circuit as specified by the installation manual of the unit that has been selected. If you need additional space in the panel for the circuit breaker then a quad circuit breaker may be allowed as specified by the make and model of the panel.

Why is my tankless water heater tripping the breaker?

It could be a loose or bad wire, a bad connection in the electrical panel, or a worn-out breaker. Check the wiring on the line for broken or loose wires. If the breaker trips and there are no problems on the line, then you’ll need to replace the breaker.

What type of outlet is needed for tankless water heater?

An indoor, electric tankless water heater does not need to be vented to the outside. It does require 240-volt power. It may be plugged into a 240-volt outlet or directly wired to a service panel.

Does a tankless water heater need a GFCI breaker?

Most tankless water heaters are placed outdoors. The attachment plug serves as the disconnect and the receptacle shall be protected by GFCI. If there’s a new circuit that serves only exterior receptacles, no AFCI is required. If the receptacle is added to a circuit, there’s most likely a requirement for AFCI.

How many amps does a Rinnai tankless water heater use?

three amps

What are the power supply requirements for a Rinnai Tankless Water Heater? Rinnai Tankless Water Heaters require 120 volts AC, 60 Hz and less than three amps.