INSTANTANOUIS
WATER HEATERS

Tempera Tankless Waterheater Specifications

Model
 
Tempra™ 12
Tempra 15
Tempra 20
Tempra 24
Tempra 29
Tempra 36
Phase
 
1
1
1
1
1
1
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
52
60
70
80
88
100
105
120
132
150
Min. required circuit breaker size
A
60
60
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
3 x 60
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
0.29 / 1.1
0.58 / 2.2
0.58 / 2.2
0.58 / 2.2
0.87 / 3.3
0.87 / 3.3
Weight
Lb / Kg
15 / 6.8
18 / 8.1
21 / 9.5
18 / 8.1
24.25 / 11
24.25 / 11
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
14 9/16 / 37
21 3/4 / 55.2
21 3/4 / 55.2
Height
inch / cm
14 1/2 / 36.7
Depth
inch / cm
4 5/8 / 11.6
Working pressure
PSI / BAR
150 / 10
Tested to pressure
PSI / BAR
300 / 20
Water connections
3 / 4" NPT

Temperature Increase above Water Temperature:

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