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 Electric - Whole House - Small


Electric Whole House Small

Product ID: SBE-DHC-E20

Saves energy and reduces your electric bill with a saving of 15 - 20%

For Use In Homes, Apartments, Condos with 1-2 people 

  • Suitable for supply with up to 95°F/ 35°C

  • Completely replaces a conventional tank heater
  • Takes up less space than the conventional tank type water
  • Tankless water heaters are considered a non-continuous load

Free Shipping
(Lower 48 States Only)
Price:  $465.00    

For shipping prices and options, add to cart.
Note some products have free shipping.

Conductors should be sized to maintain a voltage drop of less than 3% under load.

Take Off The Cover And Have A Look!

As an International leader in the tankless electric water heating industry, STIEBEL ELTRON is proud to have pioneered this technology. The company's engineering and manufacturing tradition of excellence means that you can depend on its performance for many years to come.

Superior, Reliable Performance.

  • The DHC-E-20 have temperature and flow sensors which feed readings into the unit's proprietary microprocessor control.

  • Heating elements are engaged in stages, achieving the temperature you desire. 

  • The unit continually monitors the water temperature they produce. *Safe, reliable hot water for your whole house with a saving on electricity at the same time. What could be better?

DHC-E-20 Technical Data





Voltage                                            V 208 240
Wattage                                          KW 14.4 19.2
Amperage                                     AMP 70 80
Min. Required circuit breaker                A 2 x 40 2 x x50
Recommend wire size        AWG Copper 2 x 8 2 x 8
Max. temp. increase above ambient water temperature                   
                                         @2.25 GPM
44 58
                                          @300 GPM 33 44
                                         @4.50 GPM 22 29
Min. water flow to activate unit GPM/lmln 0.58/2.2
Weight                                         Lb/kg 21/9.5
Normal water volume                        Gal 0.26/1.0
Height                                     inch/cm 14 1/2 (36.7)
Width                                      inch/cm 21 3/4 (55.2)
Depth                                      inch/cm 4 5/8 (11.6)
Working pressure                    PSI/BAR 150/10
Tested to pressure                   PSI/BAR 300/20
Water connections 3/4" NPT

Descriptions to the above data:

  • The Model DHC-E 20 has a single phase, all households in the US are single phase.

  • Voltage is 208/commercial and 240/residential.  

  • The wattage is  measured in kilowatt hours.

  • Amperage is the incoming service to your home or business that you will need to operate this unit.

  • This is the size of breaker that is needed.

  • Recommended wire size is:  (AWG Copper)  This means American Wire Gage for Copper wire. It is how big the wire measures around.  The smaller the number, the bigger the wire.  

  • If you set the flow rate to be 2.25 gallons per minute, the temperature of the hot water coming out of the tap will be 58 degrees higher (residential) than the ambient temperature coming into your house.  So if the temperature of the water coming into your home is 50 degrees, then the hot water coming from your tap will be 108 degrees.

  • Minimum water flow to activate the unit to make hot water.

  • The dimensions on these units are considerably smaller than the conventional tank hot water heaters.

  • Weight is the weight of the unit as it is empty.

  • Maximum operating pressure is the amount of pressure the unit will work at.  (PSI - Pounds per square inch).  Homes in the city run on 80 psi and in the rural area homes run on 40-60 psi.

  • Testing to pressure prevents the unit from bursting, causing accidents, burns, etc.

  • Water connection is 3/4"

Parts For Easier Installation

Saving time during installation is a large factor. No one likes making all those trips to the hardware store. Make sure to check out this page before completing your order. 

Click here for Flex Connectors

Click here for installation manual 
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Free Shipping
(Lower 48 States Only)
Price:  $465.00    

For shipping prices and options, add to cart.
Note some products have free shipping.


The voltage, amperage, and circuit breaker specifications must be met for this heater to function. Please make sure all requirements are met before purchasing this heater. If you have any questions about these requirements, please call 406-889-5288.


Call Us (406) 889-5288



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