If you want to use a tankless water heater for point-of- use purpose, then consider buying a Stiebel Eltron Mini tankless water heater, which has three popular models in this category: Stiebel Eltron Mini 3, Stiebel Eltron Mini 4 and Stiebel Eltron Mini6.

Stiebel Eltron Mini Models are ideal for using for hand washing type applications in the U.S. and Canada:

• Restroom sinks in commercial/industrial facilities and homes
• Kitchen areas in commercial /industrial facilities and homes

These water heaters heat water instantaneously as water flows through the units. Stiebel Eltron Mini tankless water heaters eliminate the stand-by heat-losses, as continuous heating is not taking palce or required to. With a simple flow switch, you can controll its efficient heating elements. Furthermore, there is a safety high-limit with manual reset. 
  
The highly energy efficient Stiebel Eltron Mini tankless water heaters are the combination of the superb German technology and the best available materials that are used for their making.

With these highest quality Stiebel Eltron Mini tankless water heaters, you are rest assured of a trouble-free service for many years to come.

As for quality, performance and cost,  no other tankless water heater can beat Stiebel Eltron Mini tankless water heaters,  and theirefore, they have no comparison in their class.

There are certain factors that determine the temperature of the hot water delivered by the Mini tankless water heater. This includes the wattage of the heating element, the temperature of the incoming cold water, and the water flow rate through the unit. This apart, proper and careful application is required for the efficient functioning of the mini models.

The Mini 3, and Mini 4 models are available with a 0.5 GPM pressure compensating flow reducer / aerator that fits most faucets. Flow controls and faucet aerators are highly recommended in conjunction with tankless water heaters. And they don't require  pressure relief valve,  drains, or circulating pumps.

Specification

Model	Mini 3	Mini 4		Mini 6
Phase	1	1		1
Voltage V	110-120	208	220-240	208	220-240
Wattage kW	3.0	2.6	3.5	4.3	5.7
Amperage A	25	12.6	15.2	20	24.7
Min.required circuit breaker size A	30	20	20	30	30
Recommended wire size AWG copper	10	12	12	10	10
Recommended inlet temperature ºF / ºC	41-77 / 5-25
Min.water flow to activate unit GPM / Lmin	0.5 / 2.0	0.5 / 2.0		0.85 / 3.2
Nominal water volume Gal / L	0.1 / 0.026
Working pressure PSI / bar	150 / 10
Tested to pressure PSI / bar	300 / 20
Weight lbs / Kg	3.44 / 1.56
Dimensions height in / cm	6.5 / 16.5
width in / cm	7.5 / 19.0
depth in / cm	3.25 / 8.2
Water connections	for 3/8" O.D.flex connector
Heating system	bare wire

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