Do they make a 30 amp tankless water heater?

Chronomite SR-30/240 HTR 240-Volt 30-Amp SR Series Instant-Flow Standard Flow Tankless Water Heater.

How many amps does a tankless water heater need?





One whole-house tankless water heater has four 7,000-watt elements, for a total electrical load of 28,000 watts. This load re- quires wire and a circuit breaker that will handle at least 120 amps, at a cost many times that of electrical service to a conventional tank water heater.

What size breaker do I need for a tankless water heater?

A gas tankless water heater only needs a 15-amp, 120 volt dedicated single-pole breaker for this purpose.

How many amps does an electric tankless water heater pull?

amps. How many amps do tankless water heaters use? Tankless heaters can draw anywhere from 42 amps to 167 amps.

Can I replace my RV water heater with a tankless?

Most RVs come with a standard 6 gallon or 10 gallon water heater, although some campers can go up to 12 gallons or more. Tankless water heaters are designed to replace the existing units. These are retrofit designs so they can fit in the same cut-out of your existing water heater.

Can you put an electric water heater in a travel trailer?





There are three types of RV water heaters: electric, propane, and electric/gas combo heaters. Electric water heaters, of course, heat water using electricity. In electric/gas combination water heaters, you can use one or the other, or both gas and electric at the same time, to heat your water.

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.

How many amps does a 30 gallon water heater use?

The branch circuit needs to be calculated at 125% of the rated ampacity for this type of water heater to be considered a continuous load. In order to work on a 20 Amp OCPD, you will need a 25 or 30 Amp circuit.

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.

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.

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.

Can my house handle an electric tankless water heater?



The reason being is that in most homes the existing electrical system will not support a tankless water heater that is the right size for the home. In a 2.5 bathroom home with a family of four, you are typically going to need at least a 24 KW heater.

What is the downside of a tankless water heater?

The main disadvantage of tankless water heaters is their upfront cost (unit and installation) is significantly higher than tank-style heaters. Including installation, tankless water heaters cost 3 times more than tank-style water heaters on average.

Is a tankless water heater worth it in an RV?

A tankless water heater is a good investment for your RV if you live in it full time or it gets a lot of use. Full-time RVers will find the amount of money saved on electric bills can pay for the unit over a few years.

How do I keep my RV tankless water heater from freezing?

To winterize your RV tankless water heater:

  1. Unplug or turn off the power to your tankless water heater.
  2. Shut off and disconnect the water supply to the inlet of the unit.
  3. Disconnect the outlet and let the water drain into a bucket or dish below.
  4. Use compressed air to blow any remaining water out the internal pipes.


Can you run antifreeze through a tankless water heater?

You can safely use RV antifreeze in almost all tankless RV water heaters, but be sure to check your owner’s manual first. In many cases, winterizing a tankless heater is easier than a regular one.

Does cold weather affect tankless water heaters?

Most indoor and outdoor tankless water heaters have built-in freeze protection against temporary winter temperatures ranging from -5 degrees Fahrenheit to -22 degrees Fahrenheit. This protection cannot withstand long term below freezing temperatures.

Can you put antifreeze in a tankless water heater?

In case of a power outage, the water heater needs to be drained in order to prevent damage. Antifreeze fluids need to be avoided as they could damage internal components. Failing to observe such precautions could not only leave the heater at risk, but also void the warranty.

When should I drain my tankless water heater?



It’s generally a good idea to drain your water heater at least once a year, according to both BobVila.com and The Family Handyman. If you live in an area with hard water, though, Angie’s List says you may need to drain it more frequently.

How do you drain a tankless water heater for the winter?

Turn the water heater OFF and unplug the power cord. Shut the gas and water supply OFF. Open hot water tap to drain water. After the water pressure has been lowered, disconnect the outlet and inlet water pipes and put the bucket underneath to collect the remaining water.