Tankless Water Heaters: A Complete Guide
Ready to replace your old water heater? If so, here is all you need to know about tankless water heaters to decide if they could be the right choice for you.
The Stiebel Eltron Tempra 12 Plus Whole House Electric Tankless Water Heater - 239219 is capable of providing consistently hot water to several fixtures at once while reducing energy usage. This 240/208V, 12 kW copper tankless electric water heater features a digital thermostat and a memory preset for returning to your ideal water temperature with the push of a button. Enjoy endless hot water, unrivaled efficiency, and utmost comfort, as the Tempra 12 Plus responds directly to your demand for hot water without interruption. It also has self-modulation to ensure minimal energy usage at all times.
Tempra Plus has self-modulation. Self-modulation ensures that only the least amount of energy is used at all times. The Advanced Flow Control function ensures a steady output temperature even if flow rates vary up or down, like when hot water is being used and an additional tap is opened or closed.
Features:
Please refer to the sizing guide for help in choosing the ideal model for your requirements.
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Tempra Model Item Number | 239219 | ||
---|---|---|---|
Phase - 50/60 Hz | Single (6) 50/60 Hz | ||
Voltage | 240 V or 208 V | ||
Wattage | 12 kW | 9 kW | |
Amperage | 50 A | 44 A | |
Number & min. recommended size of circuit breakers (1) (DP) | 1 x 50 A | ||
Number of runs & min. recommended wire size (2) (copper) | 1 x 8/2 AWG | ||
Maximum Flow Rate at Ambient Water Temperature | 42°F | 1.3 GPM | |
52°F | 1.6 GPM | ||
62°F | 1.9 GPM | ||
72°F | 2.5 GPM | ||
Maximum temperature increase above ambient water temp | @ 1.50 GPM | 54 °F | 41 °F |
@ 2.25 GPM | 36 °F | 27 °F | |
@ 3.00 GPM | 27 °F | 20 °F | |
@ 4.50 GPM | - | - | |
Min. water flow to activate unit | 0.37 gpm (1.4 l/min) | ||
Weight | 13.5 lb (6.1 kg) | ||
Nominal water volume | 0.13 gal (0.5 l) | ||
Max. inlet water temperature | 131 °F (55 °C) | ||
Dimensions | Width 165 /8˝ (42.0 cm) x Height 14½˝ (36.9 cm) x Depth 45 /8˝ (11.7 cm) | ||
Minimum pressure | 30 psi (2 bar) | ||
Working pressure | 150 psi (10 bar) | ||
Tested to pressure | 300 psi (20 bar) | ||
Water connections | ¾˝ NPT |