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DHC-E Whole House
Tankless Water Heaters
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Tankless Water heaters are the "Next Big Thing"
for Today's Households!
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Model
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Tempra™ 12 **
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Tempra™ 20
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Tempra™ 24**
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Tempra™ 29
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Tempra ™ 36 **
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Phase
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1
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1
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1
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1
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1
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Voltage
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V
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208
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240
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208
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240
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208
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240
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208
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240
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208
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240
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Wattage
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kW
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9
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12
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14.4
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19.2
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18
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24
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21.6
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28.8
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27
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36
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Amperage
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A
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44
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50
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70
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80
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88
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100
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105
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120
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132
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150
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Min. required circuit breaker size
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A
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50
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60
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2 x 40
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2 x 50
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2 x 50
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2 x 60
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3 x 40
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3 x 50
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3 x 50
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3 x 60
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Recommended wire size
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AWG COPPER
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8
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8
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2 x 8
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2 x 8
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2 x 8
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2 x 8
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3 x 8
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3 x 8
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3 x 8
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3 x 8
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Maximum temperature increase
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@1.50 GPM
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41
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54
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66
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88
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82
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92
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92
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92
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92
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92
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above ambient
water temp.
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@2.25 GPM
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27
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36
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44
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58
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54
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73
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66
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87
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82
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92
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@3.00 GPM
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20
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27
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33
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44
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41
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54
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49
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66
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61
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82
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@4.50 GPM
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-
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-
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22
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29
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27
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37
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33
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44
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41
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55
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Min. water flow to activate unit
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GPM / Lmin
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0.29 / 1.1
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0.58 / 2.2
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0.58 / 2.2
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0.87 / 3.3
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0.87 / 3.3
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Weight
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Lb / Kg
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15 / 6.8
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21 / 9.5
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18 / 8.1
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24.25 / 11
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24.25 / 11
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Nominal water volume
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Gal / L
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0.13 / 0.5
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0.26 / 1.0
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0.26 / 1.0
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0.39 / 1.5
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0.39 / 1.5
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Width
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inch / cm
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14 1/2 / 36.7
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21 3/4 / 55.2
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21 3/4 / 55.2
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Height
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inch / cm
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Depth
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inch / cm
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4 5/8 / 11.6
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Working pressure
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PSI / BAR
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150 / 10
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Tested to pressure
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PSI / BAR
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300 / 20
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Water connections
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3 / 4" NPT
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** NOTE: The Tempra™ 12, Tempra™ 24 &
Tempra™ 36 models will be available March 2005.
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