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Stiebel Eltron Tempra 20 Plus
Tankless Water Heater

Stiebel Eltron Tempra 20 Plus electric tankless water heater
Maximum Flow Rate in Gallons Per Minute at 105°F Output temp
Incoming Water Temp: Flow Rate (GPM)
40°F 2.0 GPM
45°F 2.2 GPM
50°F 2.4 GPM
55°F 2.6 GPM
60°F 2.9 GPM
65°F 3.3 GPM
70°F 3.7 GPM
75°F 4.4 GPM
* this chart is based on 240v input. Please review the Stiebel Eltron Tempra Brochure for temp rise data at 208v input.


Sale Price: US$699.00
Lowest Price Guarantee!

Shipping Options:
Ground (3-6 days): included
Express (2-3 days): $49.95
Overnight: call 1-877-374-2696 for quote
Sale Price: CDN$803.50
Why the price difference?

Shipping Options:
Ground (3-6 days): included
Express (2-3 days): $49.95
Overnight: call 1-877-374-2696 for quote
The Stiebel Eltron Tempra 20 Plus, with a maximum power output of 19.2 KW, is designed for whole house applications in regions where the incoming water temperature is above 60F, and is therefore suitable as a whole house water heater in the southern U.S. and in some warmer northern climates. It is also a popular choice for summer use vacation properties in northern climates where the electrical service does not permit the installation of a larger model. It is also frequently used as a point-of-use heater where more demanding flow rates are required.

Like all Tempra Series tankless water heaters, the Tempra 20 Plus features true microprocessor-controlled temperature regulation as well as a convenient digital temperature display and dial selector which allows you to set the desired output water temperature at any level between 86 and 140F (30 and 60C). It is one of the only tankless water heaters on the market that features a true thermostatic temperature control and full power-modulation based on both the incoming water temperature and the water flow rate. The Tempra 20 Plus will automatically adjust its power output to accommodate changes in the incoming water temperature and flow rate so it can precisely maintain the desired output temperature.

The Tempra 20 Plus also features Stiebel Eltron's exclusive dynamic Advanced Flow Control technology. This technology automatically adjusts the flow of water when the unit's sensor's detect that the flow demand is exceeding the heater's capacity. This feature is particularly useful in cold climates and other applications where the electrical service size does not permit the installation of a larger model where it may be desirable to handle occassional high flow demands. It is also desirable where high output temperatures are required for temperature critical applications (commercial dishwashers, etc.) and where flow rates are not always predictable.

Simply stated, the Stiebel Eltron Tempra Plus Series electric tankless water heaters feature the most precise temperature control of any tankless water heater on the market today!



Stiebel Eltron Tempra 20 Plus Specifications

Thermostatically
Controlled?
Yes, digital temperature control and full power modulation based on flow rate and incoming water temperature.
Advanced Flow
Control Technology?
Yes, dynamic flow control technology automatically adjusts the flow of water when the unit's sensor's detect that the flow demand is exceeding the heater's capacity. This feature is exclusive to Stiebel Eltron Tempra Plus Series tankless water heaters!
Hinged Case: Yes
Power (KW): 19.2 KW @ 240v / 14.4 KW @ 208v
Voltage: 208 - 240 volts / single phase / 50 - 60 Hz
Max. Amps: 80 AMPS @ 240v / 70 AMPS @ 208v
Breakers Required:*  2 x 50 AMP breakers (depends on local codes)
Wiring:*  Minimum 2 x #8 AWG Copper (depends on local codes)
Dimensions: 16.6 x 14.5 x 4.6" (42 x 36.8 x 11.7 cm)
Weight: 15.4 lbs (7.3 KG)
Pipe Fittings:  3/4" NPT
Energy Efficiency: 99%+
Activation Flow Rate: 0.58 GPM / 2.2 LPM
Max. Water Pressure: 150 psi (tested to 300 psi)
Max. Output Temperature: 140F (60C)
Max. Input Temperature: 131F (55C)
Warranty: Manufacturer's 3 Year Warranty
Safety: ETL Listed (US & Canada) - meets all applicable standards, including ANSI/UL 499 (USA) and CSA-E335-1/3E-94 (Canada)
Protection: microprocessor-based thermostatic temperature control (flow rate and temperature modulating) with thermal hi-limit cut-out switch monitoring each heating module

* Breaker size and wire gauge must meet all applicable local, state, provincial, and national electrical codes for your area - these are only guidelines that will apply to most installations. Some codes require use of electrical sub-panel for installation, especially when heater is not mounted within line-of-sight of the main electrical panel. Wiring should be sized to maintain a voltage drop of less than 3% under load. Please consult your electrician for more details.

Please note: A minimum 125 AMP household electrical service is highly recommended and will likely be required to install this model. If you are unsure of your electrical capacity in your home, please consult your electrician or contact us for assistance before ordering.




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