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  • Works as 2-in-1 model with 12 kW of power at 240V and 9 kW at 208V
  • Advanced flow control ensures a constant temperature output
  • Single flow sensor design
  • Hinged cover for easy access
  • Superior, reliable performance with seismic-proof construction
  • Sleek, no-vent design that is nearly 100% efficient
  • 7 year warranty against leakage, 3 year warranty against defects
  • ETL Listed
Item:
798223420
Units:
Each
Shipping:
Special Order

Some items on our website are not normally stocked in our warehouses. These items are marked "Special Order"
underneath the price on the item's page.

Please understand that Special Order items may not be able to ship within 1 business day like our regularly-stocked items.
Some may be shipped directly from the manufacturer. Others might have to be ordered into our warehouse with the next order
from that manufacturer and then shipped to you; this could take up to several weeks.

As a result, we urge you to contact us if you have questions about the delivery time of a Special Order item you wish to order.

Please note - we are not always able to cancel special order items once the order is placed. These items may also be non-returnable. Please contact us if you have any questions before ordering this item.

MFR Item:
223420
Stiebel Eltron Tempra: Cleaning a Filter Screen

Stiebel Eltron Tempra: Cleaning a Filter Screen

This video shows you how to remove and clean the filter screen on your Tempra or Tempra Plus water heater. If you are experiencing reduced flow, a dirty filter screen may be the cause. To perform this service, you will need a needle-nose pliers, an adjustable wrench, an empty bucket, and a rag. To begin, turn off and lock out all circuit breakers that are connected to the water heater. This ensures that no one will accidentally activate the unit while it is being serviced. Close the cold and hot water ball valves on the unit. Then, place a bucket under the cold side fitting to minimize any spills. Using the adjustable wrench, unscrew the braided stainless steel hose from the cold side connection and remove the filter screen using the needle-nose pliers. Next, rise debris from the filter screen in the sink. If needed, use a brush to remove any remaining debris. Reinsert the filter screen into the cold water inlet. Replace and tighten the cold water connection hose and reopen the cold and hot water ball valves. Make sure there aren't any leaks. If there are, shut off the water supply and re-tighten the cold water connection. You can then remove the circuit breaker locks and turn on all circuit breakers that are connected to the water heater. The service is now complete. Be sure to check out our YouTube channel or our website to find out more on our Stiebel Eltron water heaters and our full family of energy-saving products.

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Follow these simple steps to remove and clean the filter screen on your Tempra or Tempra Plus water heater.

Stiebel Eltron Tempra: Resetting a High Limit Switch

Stiebel Eltron Tempra: Resetting a High Limit Switch

This video shows how to reset a Tempra or Tempra Plus high limit switch that has tripped. If you are experiencing luke warm water, a tripped high limit switch may be the cause. To perform this service, you will need a Phillips screwdriver and a non-conductive device like a pencil with an eraser. To begin, turn off and lock out all circuit breakers that are connected to the water heater. This ensures that no one will accidentally activate the unit while it is being serviced. Remove the screw on the right side of the unit and open it. The thermal safety resets are located on the top of each copper heating vessel. If you don't have an insulated tool, a pencil with an eraser works fine. If the button clicks when depressed, it has been reset. hen, close the cover and reinstall the screw. You can then remove the circuit breaker locks and turn on all circuit breakers that are connected to the water heater. The service is now complete. Be sure to check out our YouTube channel or our website to find out more on our Stiebel Eltron water heaters and our full family of energy-saving products.

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Follow these simple steps to reset your Tempra or Tempra Plus high limit switch. If you are experiencing luke warm water, you may want to reset this switch.

Stiebel Eltron Tankless Water Heaters

Stiebel Eltron Tankless Water Heaters

Hi I’m Mike Dunn with Stiebel Eltron. Today I’m going to discuss the benefits of tankless electric hot water heaters. Often called On Demand instantaneous water heaters, they differ from tank water heaters. If you are considering buying one, it’s important to choose the right size and model. With a tank water heater, you can turn on one fixture, then another, and so on. Hot water flows from each fixture until the tank runs out. With a tankless water heater, turn on a fixture, and the hot water never runs out. But turn on too many fixtures, and it cannot keep up. Choosing the right tankless water heater means knowing how many fixtures must run at the same time, then hot water is truly endless. A tankless electric water heater has other advantages. It needs very little room, doesn’t need venting, and doesn’t need propane or gas lines coming into the house. With no tank full of hot water to cool off, there are no stand-by energy losses, resulting in savings of 10-30 percent. Tankless electric water heaters are also 99-100 percent efficient. There are various sizes of tankless electric water heaters to consider. The smallest models are designed to provide warm water for hand washing. Larger models can supply warm or hot water at a single sink, and the largest models can provide endless hot water to an entire house. The more fixtures you supply with hot water at the same time, and the colder the climate you live in, the more powerful the tankless hot water heater you will need. So why not just install the most powerful unit available? For one, expense. Why pay for more than you need? Plus, installing the most powerful units may require upgrading electrical service to the house. So how do you choose? All tankless electric manufacturers supply sizing charts. These charts are based on the flow rate, the number of fixtures that need hot water at the same time, and temperature rise: the difference between the cold water temperature and how hot the water must be. The flow rate is calculated on how many fixtures need hot water at the same time, not how many fixtures are in the house. This is usually the number of showers taken at the same time. Lastly, electrical requirements must be checked to make sure you have enough power in the house to run these units, especially when the largest of the whole house models are needed. Now that you know more about tankless electric water heaters, you can make the right selection for your home.

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Choosing the right tankless electric water heater has never been easier than with Stiebel Eltron! If you aren’t sure which model you need for your business, simply utilize the manufacturer’s flow chart and determine which heater will serve you best!

Specs
Width 16 5/8 Inches
Depth 4 5/8 Inches
Height 14 1/2 Inches
Amps 44 Amps
Hertz 60
Phase 1
Voltage 208 Volts
Wattage 9 Kilowatts
Flow Rate 0.37 GPM
Power Type Electric
Style Tankless
Type Multiple Points of Use

Customer questions about this product

How hot will this product make my water?
How much this unit will heat your water above its ambient temperature is dependent upon the water's flow rate. Please consult the Temperature Rise versus Flow Rate chart in the Specification Sheet for additional information.
Ask your own question!

Details

The powerful Stiebel Eltron 223420 Tempra 12 whole house tankless electric water heater instantly provides hot water to up to five low flow sinks! This energy-efficient unit works as a 2-in-1 model that can use 12 kW of power with 240V service and 9 kW of power with 208V service to heat the water as it flows through the machine for complete elimination of standby heat loss. Activated by a minimum 0.37 GPM flow rate, the Tempra 12 features an ergonomic control knob that allows you to adjust the water temperature from 86 to 140 degrees Fahrenheit. It has several temperature and flow sensors that feed their readings into the unit's proprietary microprocessor control so the temperature will never deviate from the set point.

The Stiebel Eltron 223420 Tempra 12 whole house tankless water heater features a compact construction with a sleek, attractive design that allows it to be installed almost anywhere! It is ETL Listed, requires a 208V or 240V electrical connection, and must be hardwired; it does not come with a cord and plug. Please consult the Specification Sheet for additional details, installation requirements, and a helpful sizing guide.

Overall Dimensions:
Left to Right: 16 5/8"
Front to Back: 4 5/8"
Height: 14 1/2"

Please note: This unit is designed to supply hot water to a single lav, kitchen or utility sink; can also be used on a single shower or up to 5 low flow sinks. Please consult the Sizing Guide in the Specification Sheet for further information to ensure that this model will meet your needs.

Because this item is not stocked in our warehouse, processing and transit times will vary. If you need your items by a certain date, please contact us prior to placing your order. Expedited shipping availability may vary. We cannot guarantee that this item can be cancelled off of the order once it is placed.

Certifications

ETL US & Canadian

Downloads

Spec Sheet Specsheet Manual Manual Warranty Warranty

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