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Stiebel Eltron Tempra 12 Trend Tankless Water Heater

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internal view of the Stiebel Eltron tankless water heater
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Stiebel Eltron Tempra Series Brochure
Stiebel Eltron Tempra Series Brochure
(Adobe PDF)




Stiebel Eltron Tempra 12 Electrical Requirements & Installation Information
Electrical Requirements & Installation Information
Stiebel Eltron Tempra 12 Trend (White)
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Stiebel Eltron Tempra 12 Trend (White)

MSRP: US$564
Our Price: US$439.00
You save: $125.00



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The new Tempra 12 Trend replaces the discontinued Tempra 12B.

It offers all the same features of the Tempra 12B, with a new digital display, in a modern white powder-coated case.

  • 12 kW's of Power
  • Thermostatically Controlled
  • Requires 100 Amp Service
Stiebel Eltron Tempra 12 Trend (12 KW) electric tankless water heater is a popular and very economically priced thermostatically-controlled point-of-use tankless water heater used for low flow applications such as single sinks in restrooms, powder rooms, kitchens, low-flow pool house showers, emergency eyewash stations, etc. This model is not generally considered sufficient for whole house applications, even in warm climate areas.

Like all Tempra Series tankless water heaters, the Tempra 12 Trend features true microprocessor-controlled temperature regulation 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 12 Trend 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 result is the most precise temperature control of any tankless water heater on the market today!

The trend towards increased energy efficiency is here to stay with the Tempra 12. Join the Tempra trend today.

Maximum Flow Rate in Gallons Per Minute at 105F Output temp
Incoming Water Temp: Flow Rate (GPM)
40F 1.3 GPM
45F 1.4 GPM
50F 1.5 GPM
55F 1.6 GPM
60F 1.8 GPM
65F 2.0 GPM
70F 2.3 GPM
75F 2.7 GPM
* This chart is based on 240v input.
Please review the Stiebel Eltron Tempra Brochure
for temp rise data at 208v input.
Do You Have Hard Water?
If your water hardness trends above 7 grains per gallon (GPG) or 120 mg/l (ppm), you should consider hard water treatment prior to your tankless water heater. If your hardness exceeds 12 GPG or 200 mg/l (ppm), hard water treatment is strongly recommended.

Hard water treatment helps maintain performance and efficiency, ensures optimal water flow and pressure, and protects your heater from pre-mature failure due to mineral build-up inside the heating module and other components.

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Stiebel Eltron Tempra 12 Trend Specifications
Thermostatically Controlled? Yes, temperature control with full power modulation based on flow rate and incoming water temperature.
KW 12 KW @ 240v / 9 KW @ 208v
Voltage: 208 - 240 volts / single phase / 50 - 60 Hz
Max. Amps: 50 AMPS @ 240v / 44 AMPS @ 208v
Breaker Required:*  50 AMP (240 volt, double pole breaker)
Wiring:*  Minimum #8 AWG Copper
Dimensions: 16.6 x 14.5 x 4.6" (42.0 x 36.8 x 11.7 cm)
Weight: 13.2 lbs (6.1 KG)
Pipe Fittings:  3/4" NPT
Energy Efficiency: 99%+
Activation Flow Rate: 0.37 GPM / 1.4 LPM
Max. Water Pressure:    150 psi
Warranty: 7 years against leakage / 3 years against defects in workmanship & materials
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
GTIN: 0094922100603

* 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 100 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.

Stiebel Eltron Tempra 12 Trend (White) Reviews

Other Tempra Trend Series Reviews

Hot water 5 Stars
We love our Stiebel Tempra 20. Have paired it with a Hague water softener and are very pleased with the result. - Sandpiper

Tankless water heater 5 Stars
Good product, had previously purchased from Tankless in Florida, which worked well for 8 years. Installation not to difficult, following the instructions. I chose product for good price and European experience with good workmanship. hope this one will last long. - Roger

tankless hot water heater5 Stars
I got it very fast and we replaced our old one of many years, It works great, no problems. - john c

Tempra 29 Tankless Heater5 Stars
Simple to install (already had electrical in place), performs as advertised. So far, very pleased. - Bob P

Steibel 15 4 Stars
Installed the unit according to the directions and it did not work at first. I think because the water pressure needed time to reach normal in the unit. It now works fine to heat our master bath fixtures - Stephen K

E Tankless Water Heater 5 Stars
Love it, works great & company very helpful when ordering. - Janice

ETL Listed - USA & Canada!
All Stiebel Eltron Tempra and Tempra Plus tankless water heaters are ETL Listed in the USA and Canada, ensuring they conform to all applicable safety standards.
WQA Certified - USA & Canada!
All Stiebel Eltron Tankless Water Heaters are tested and certified by WQA against NSF/ANSI 372 for "lead free" compliance.
Warranty
Comprehensive 7 year manufacturer's warranty against leakage / 3 year against defects in workmanship & materials. See warranty for details


Stiebel Eltron is:
Stiebel Eltron is ISO-9001 Certified