About Stiebel Eltron Tankless Water Heater
Use the actual max. Flow rate to fine-tune these recommendations. 4 Make sure you have sufficient electrical service for the model you are considering - if not, you will need to replace the breaker(s) at the end of the cycle a minimum of 3 x 40 dpi's 240 volts' for each watt of power you'll be using to power your Tempra 125 A 150 A 300 A 100 A 30 A 60 A 80 A 50 A 120 A 200 A 300 A Min. flow to activate unit 0.37 GPM 0.50 GPM 0.77 GPM Output water temp. range 86F - 140F 86F - 140F 86F - 140F 86F - 140F 86F - 140F 86F - 140F.