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TANKLESS
WATER HEATERS
Models & Prices
Tankless Water Heater Product Guide
Description / Specification
Tankless Water Heater Applications
Residential / Commercial
Tankless Water Heater Electrical Guide
Service Calculations
Tankless Water Heater Installation
Plumbing / Electrical
Tankless Water Heater Cost Comparisons
Reports / Listings
Tankless Water Heaters Service Guide
Remove / Repair
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Product
Specifications Table
Commercial 208 Volt (AC) Operation,
208, VAC Rating
Commercial and industrial locations are
often served by 208 V three-phase electrical services. SEISCO heaters
are available with 208 V heating elements that are 10 to 15% lower wattage
than the 240 V elements. Therefore the heater’s temperature rise
is lower. The table below shows which ratings are affected.
SEISCO®
Electric Fluid Heating System
BACK
TO Tankless Water Heater Product Guide
[ TWO Chamber Models
]
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MODEL
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RA-14
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RA-11
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RA-9
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kW
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12
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10
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8
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Elements
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6000 watts ´ 2
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5000 watts ´ 2
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4000 watts ´ 2
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Btu/hr
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40950
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34130
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27300
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kg-cal/min
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171
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142
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114
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TEMPERATURE RISE
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81 °F @ 1.0 GPM
54 °F @ 1.5 GPM
41 °F @ 2.0 GPM
32 °F @ 2.5 GPM
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64 °F @ 1.0 GPM
42 °F @ 1.5 GPM
31 °F @ 2.0 GPM
25 °F @ 2.5 GPM
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52 °F @ 1.0 GPM
34 °F @ 1.5 GPM
25 °F @ 2.0 GPM
20 °F @ 2.5 GPM
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42 °C @ 4 L/min
28 °C @ 6 L/min
21 °C @ 8 L/min
17 °C @ 10 L/min
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33 °C @ 4 L/min
22 °C @ 6 L/min
17 °C @ 8 L/min
13 °C @ 10 L/min
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27°C @ 4 L/min
18 °C @ 6 L/min
13 °C @ 8 L/min
11 °C @ 10 L/min
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ELECTRICAL
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V
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208
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208
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208
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A (max)
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58
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48
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38.5
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Hz
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50 / 60
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50 / 60
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50 / 60
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Circuits
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30A x 2
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50A x 1
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40A x 1
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