Remodeling Tips and Reviews

Electric Tankless hot water heaters

Electric Tankless hot water heaters

Jan 10, 2012

Electric Tankless hot water heaters are a great option for replacing your old hot water

Siebel Tempra Electric Tankless Hot water Heater

Siebel Tempra Electric Tankless Hot water Heater

heater. They are easy to install and require no venting and very little space to work. All they need is a large supply of electricity. Your house will need to have a large enough breaker box to support 220V 50 Amp circuit which is the same requirement of many of today’s electric ovens. Some units even require 3 60 Amp breakers. You very likely would need to have at least 200 Amp electric service with a large breaker boxto be able to handle these higher powered units. Make sure you also run the correct wiring to these units. They would need #8 or #6 wiring to support these units. Here are the requirements for the

Stiebel Eltron Tempra Models: ( the 20 is suitable for whole

Model 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 3 x 50 AMPS 120 AMPS 105 AMPS 200 AMPS 3 x #8 AWG Copper
 Tempra 24 2 x 60 AMPS 100 AMPS 70 AMPS 200 AMPS 2 x #6 AWG Copper
Tempra 20 2 x 50 AMPS 88 AMPS 52 AMPS 200 AMPS 2 x #8 AWG Copper
Tempra 15 2 x 40 AMPS 80 AMPS 50 AMPS 125 AMPS 2 x #8 AWG Copper
Tempra 12 1 x 60 AMPS 60 AMP 44 AMPS 100 AMPS 1 x #6 AWG Copper

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