Stiebel Eltron Tempra 36 Plus Electric Tankless Water Heater

Stiebel Eltron Tempra 36 Plus

Our Price: US$778.96


(In Stock)


The Stiebel Eltron Tempra 36 Plus electric tankless water heater is one of the most powerful electric tankless water heaters available in North America. This 36KW tankless heater is designed for high flow rate applications in cold climates where the incoming water temperature can drop below 40° F. It is also a popular choice for homes in warmer climates with very high flow demands where multiple simultaneous hot water demands are required (up to 8 gallons per minute), as well as for commercial applications.

Maximum Flow Rate in Gallons Per
Minute at 105F Output Temperature
  Incoming Water Temp:     Flow Rate (GPM)  
40F 3.8 GPM
45F 4.1 GPM
50F 4.5 GPM
55F 4.9 GPM
60F 5.4 GPM
65F 6.1 GPM
70F 7.0 GPM
75F 8.2 GPM
* This chart is based on 240v power input. Please see
brochure for temp rise chart based on 208v input.

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Brochure
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Like all Tempra Series tankless water heaters, the Tempra 36 features a digital temperature display and convenient dial selector which allows you to set the desired output water temperature at any level between 86 and 140F (30 and 60C). Most importantly, 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. In layman's terms, the Tempra 36 will automatically sense the water flow rate and temperature, calculate how much power is needed to do the job, and will apply exactly that much power so it can precisely maintain the desired output temperature regardless of whether the flow rate changes or not.

The Tempra 36 Plus also features dynamic Advanced Flow Control technology exclusive to Stiebel Eltron. If the heaters capacity is ever exceeded, this technology automatically adjusts the flow of water to maintain the desired temperature. This feature is particularly useful when a smaller unit than normal must be installed due to inadequate electrical service, or in cold climates. 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.

The result is the most precise temperature control of any tankless water heater on the market today!

Stiebel Eltron Tempra 36 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, this unit will automatically regulate the flow rate if it's capacity is exceeded. This feature is exclusive to Stiebel Eltron Tempra Plus Series tankless water heaters!
KW 36 KW @ 240v / 27 KW @ 208v
Voltage: 208 - 240 volts / single phase / 50 - 60 Hz
Max. Amps: 150 AMPS @ 240v / 132 AMPS @ 208v
Breakers Required:*  3 x 50 AMP breakers (depends on local codes)
Wiring:*  Minimum 3 x #6 AWG Copper (depends on local codes)
Dimensions: 16.6 x 14.5 x 4.6" (42 x 36.7 x 11.6 cm)
Weight: 17.6 lbs (8.6 KG)
Pipe Fittings:  3/4" NPT
Energy Efficiency: 99%+
Activation Flow Rate: 0.77 GPM / 2.9 LPM
Max. Water Pressure:    150 psi
Warranty: Manufacturer's 3 Year Warranty
Safety: ETL Listed (USA & Canada) - complies with both US and Canadian safety standards including ANSI/UL499 and CSA-E335-1/3E-94.
Protection: microprocessor-based thermostatic temperature control (flow rate and temperature modulating) with thermal hi-limit cut-out switch monitoring each heating module

Please note: the electrical requirements of this unit prohibit its installation in many homes. A minimum 300 AMP household electrical service is highly recommended. Only a small percentage of homes are equipped with a 300 AMP service. Please consult your electrician before ordering if you are unsure of your electrical capacity in your home, or consider another model selection.

* 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.