Stiebel Eltron Tempra Tankless Water Heater Installation
Installation of a tankless water heater is NOT considered a "do-it-yourself" project. However, the installation of a Stiebel Eltron electric tankless water heater is relatively simple and can be done by any licenced plumber and electrician. Your contractor does not require any special training or previous experience with tankless water heaters. Finding an electrician and plumber in your area who can look after the installation of your new Stiebel Eltron tankless water heater for you should not be difficult. If your installer has any questions regarding the installation, he or she can contact us for assistance at any time.
SEE ELECTRICAL REQUIREMENTS BELOW
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Stiebel Eltron Tankless Water Heaters
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For Technical Assistance with a newly installed unit, please contact us as follows:
E-Tankless Water Heaters Corp. U.S.A./Canada Toll Free 1-866-376-2690 Phone: (250) 374-2690 For Warranty Service, please contact the manufacturer directly as follows: Stiebel Eltron, Inc. 17 West Street West Hatfield, MA 01088 Toll Free: 1-800-582-8423 |
Electrical Requirements for Stiebel Eltron Tempra Series Tankless Water Heaters:
Before purchasing a Stiebel Eltron, or any other electric tankless water heater, please ensure that your home has sufficient electrical capacity for your desired model, or that you have taken note of any upgrades that may be required.
Please see the following chart for electrical requirements:
| Model | Recommended Breaker |
Maximum Amperage @ 240 V |
Maximum Amperage @ 208 V |
Recommended Household Electrical Service |
Recommended Minimum Wire Gauge |
| Tempra 36 | 3 x 60 AMPS * | 150 AMPS | 132 AMPS | 300 AMPS | 3 x #6 AWG Copper * |
| Tempra 29 / 29 Plus |
3 x 50 AMPS * | 120 AMPS | 105 AMPS | 200 AMPS | 3 x #8 AWG Copper * |
| Tempra 24 / 24 Plus |
2 x 60 AMPS * | 100 AMPS | 88 AMPS | 200 AMPS | 2 x #6 AWG Copper * |
| Tempra 20 / 20 Plus |
2 x 50 AMPS * | 80 AMPS | 70 AMPS | 125 AMPS | 2 x #8 AWG Copper * |
| Tempra 15 / 15 Plus |
2 x 40 AMPS * | 60 AMPS | 52 AMPS | 100 AMPS | 2 x #8 AWG Copper * |
| Tempra 12 / 12 Plus |
1 x 60 AMPS * | 50 AMPS | 44 AMPS | 100 AMPS | 1 x #6 AWG Copper * |
* 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.
The above specifications are only guidelines. If your home is already equipped with a large number of electrical appliances, you may require a larger electrical service than the one recommended above. Please consult an electrician before placing an order.
If your home does not have the minimum household electrical service as specified for your desired model, you can still purchase a Stiebel Eltron tankless water heater, however, upgrades to your electrical service will likely be required. It is recommended that you consult your certified electrician for a quote, prior to purchasing.
Please be aware that uninstalled units returned due to a home that has inadequate electrical service may subject to a re-stocking fee. Please see our POLICIES page for more details.
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