Tempra® & Tempra® Plus Technical Data

Tempra® Model
 
12/12 Plus
15/15 Plus
20/20 Plus
24/24 Plus
29 Plus
36 Plus**
Item Number
  223420 / 224196 223421 / 224197 223422 / 224198 223424 / 224199 223425 223426
Phase
  single 2 x single 2 x single 2 x single 3 x single 3 x single
Voltage
V
208 240 208 240 208 240 208 240 208 240 208 240
Wattage
kW
9 12 10.8 14.4 14.4 19.2 18 24 21.6 28.8 27 36
Amperage
A
44 50 2x26 2x30 2x35 2x40 2x44 2x50 3x35 3x40 3x44 3x50
Min. required circuit breaker size
A
60 60 2x40 2x40 2x50 2x50 2x60 2x60 3x50 3x50 3x60 3x60
Recommended wire size
AWG COPPER
6 6 2 x 8 2 x 8 2 x 8 2 x 8 2 x 6 2 x 6 3 x 8 3 x 8 3 x 6 3 x 6
Maximum temp. increase
@1.50 GPM
41 54 49 65 66 88 82 92 92 92 92 92
above ambient water temp.
@2.25 GPM
27 36 37 43 44 58 54 73 66 87 82 92
@3.00 GPM
20 27 25 33 33 44 41 54 49 66 61 82
 
@4.50 GPM
- - - - 22 29 27 37 33 44 41 55
Min. water flow to activate unit
GPM / Lmin
0.37 / 1.4 0.58 / 2.2 0.58 / 2.2 0.58 / 2.2 0.87 / 3.3 0.87 / 3.3
Weight
Lb / Kg
13.2 / 6.1 15.4 / 7.3 15.4 / 7.3 15.4 / 7.3 17.6 / 8.6 17.6 / 8.6
Nominal water volume
Gal / L
0.13 / 0.5 0.26 / 1.0 0.26 / 1.0 0.26 / 1.0 0.39 / 1.5 0.39 / 1.5
Width
inch / cm
16 5/8 (42.0)
Height
inch / cm
14 1/2 (36.8)
Depth
inch / cm
4 5/8 (11.7)
Working pressure
PSI / BAR
150 / 10
Tested to pressure
PSI / BAR
300 / 20
Water connections
3 / 4" NPT

* Suitable for supply with up to 131° F / 55° C
* Tankless water heaters are considered a non-continuous load
* Conductors should be sized to maintain a voltage drop of less than 3% under load
** Tempra® 36 requires a 300A minimum electrical service
Tempra temp rise graph

ETL Listed ISO 9001 Certified ETL Canada Listed
Three Year Limited Warranty

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