iT500 : Hot Water Boost (App) (5.10.2) .
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        Description : The Hot Water Boost function allows you to turn on your hot water for a defined period of time (up to 3 hours). It temporarily overrides any current schedule set.  | 
     
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                                                           3.                                                4.  | 
     
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        To De-activate: You may cancel at any time by pressing the ‘Cancel Boost’ button (Figure 4).  |