Technical Data


Tempra® Model Item Number Phase


Voltage Wattage


Amperage


Min. Required circuit breaker size Recommended wire size


Maximum temperature increase above ambient water temp.


Min. water flow to activate unit Weight


Nominal water volume Max. inlet temperature Width Height


Depth


Working pressure Tested to pressure Water connections


* Suitable for supply with up to 131°F / 55°C ** Requires a 300A main service


V


kW A A


AWG COPPER


For U.S. and Canada US


C 12 / 12 Plus


208 9


44 60 6


@ 1.50 GPM 41 @ 2.25 GPM 27 @ 3.00 GPM 20 @ 4.50 GPM - GPM/Imin Lb / kg Gal


F / C


inch / cm inch / cm inch / cm PSI / BAR PSI / BAR


* Tankless water heaters are considered a non-continuous load


240 12 50 60 6


54 36 27 -


0.37 / 1.4 13.2 / 6.1 0.13 / 0.5


223420 / 224196 223421 / 224197 223422 / 224198 223424 / 224199 single


15 / 15 Plus 2 x single


208 10.8 240 14.4


20 / 20 Plus 2 x single


208 14.4


49 37 25 -


2 x 8 2 x 8 65


43 33 -


0.58 / 2.2 15.4 / 7.3 0.26 / 1.0


66 44 33 22


240 19.2


2 x 8 88


58 44 29


0.58 / 2.2 15.4 / 7.3 0.26 / 1.0


131 / 55


16 5/8 (42.0) 14 1/2 (36.9) 4 5/8 (11.7) 150 / 10 300 / 20 3/4” NPT


* Conductors should be sized to maintain a voltage drop of less than 3% under load Tempra® Model


1 Bath 1 Bath 2 Baths 2 Baths 3 Baths 3 Baths 4 Baths 4 Baths


Tankless Electric Water Heater Sizing Guide 12 / 12 Plus 15 / 15 Plus 20 / 20 Plus 24 / 24 Plus 29 Plus


24 / 24 Plus 2 x single


208 18


2 x 6 82


54 41 27


240 24


2 x 6 92


73 54 37


0.58 / 2.2 15.4 / 7.3 0.26 / 1.0


ISO 9001 C ERTIFIED


Simply the Best


29 Plus 223425


3 x single 208 21.6


3 x 8 92


66 49 33


240 28.8


3 x 8 92


87 66 44


0.87 / 3.3 17.6 / 8.6 0.39 / 1.5


36 Plus ** 223426


3 x single


208 27


2 x 26 2 x 30 2 x 35 2 x 40 2 x 44 2 x 50 3 x 35 3 x 40 3 x 44 2 x 40 2 x 40 2 x 50 2 x 50 2 x 60 2 x 60 3 x 50 3 x 50 3 x 60 2 x 8


3 x 6 92


82 61 41


240 36


3 x 50 3 x 60 3 x 6


92 92 82 55


0.87 / 3.3 17.6 / 8.6 0.39 / 1.5


Cool (Northern) Climate 36 Plus


2X Tempra 20 2X Tempra 24 2X Tempra 24


WARM CLIMATE COOL CLIMATE Warm (Southern) Climate


17 West Street | West Hatfield, MA 01088 | 800.582.8423 | www.stiebel-eltron-usa.com | info@stiebel-eltron-usa.com


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