Hi there, is it possible to put a programmed lock on the steam shower and Jacuzzi functions ? I'm considering installing in out holiday home but we also rent it to strangers from time to time and I'm not keen on them using these features and costing us extra money.

The only thing you could do is isolate the power to the unit - You would still be able to use all the water functions to bath or shower, just the Jacuzzi pump would not come on nor would the steam or radio or lighting. No harm would come to the unit to do this.
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