Tankless Water Heaters - Commercial 208 Volt (AC) Operation, 208 VAC Rating 2 Chamber





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PRODUCT SPECIFICATIONS TABLE
COMMERCIAL 208 VOLT (AC) OPERATION, 208 VAC RATING

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Commercial and industrial locations are often served by 208 V three-phase electrical services. Tankless water 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.

FOUR CHAMBER MODELS

MODEL	RA-14	RA-11	RA-9
kW	12	10	8
Elements	6000 watts ' 2	5000 watts ' 2	4000 watts ' 2
BTU/hour	40950	34130	27300
kg-cal/min.	171	142	114
Temperature Rise	81 °F @ 1.0 GPM 54 °F @ 1.5 GPM 41 °F @ 2.0 GPM 32 °F @ 2.5 GPM 42 °C @ 4 L/min 28 °C @ 6 L/min 21 °C @ 8 L/min 17 °C @ 10 L/min	64 °F @ 1.0 GPM 42 °F @ 1.5 GPM 31 °F @ 2.0 GPM 25 °F @ 2.5 GPM 33 °C @ 4 L/min 22 °C @ 6 L/min 17 °C @ 8 L/min 13 °C @ 10 L/min	52 °F @ 1.0 GPM 34 °F @ 1.5 GPM 25 °F @ 2.0 GPM 20 °F @ 2.5 GPM 27°C @ 4 L/min 18 °C @ 6 L/min 13 °C @ 8 L/min 11 °C @ 10 L/min
ELECTRICAL
V	208	208	208
A (max)	58	48	38.5
Hz	50 / 60	50 / 60	50 / 60
Circuits	30A x 2	50A x 1	40A x 1