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2-chamber models are designed specifically for booster and point-of-use applications. |
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4-chamber models are designed for domestic water heating for the whole house and a backup to tank-type water heaters, including solar and geothermal water heating systems. |
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4-chamber models are designed for domestic water heating for the whole house and as a backup to tank-type water heaters, including solar and geothermal water heating systems.
RA 28 Electric Tankless Water Heater |
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