Does the HOTTAP have to be upright when in use?

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The HOTTAP must be vertical when in use. This is because the flame (from the burners) heats the heat exchanger at its best possible efficiency when the unit is directly upright. The more the unit is tilted, the less efficient the heat exchange is – causing reduced water heating capabilities.

For peace of mind, the HOTTAP has a tilt sensor that will automatically cut gas to the unit if the HOTTAP gets tipped over. 

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