Paloma have developed optional, programmable temperature controllers that allow you to precisely set the temperature of your gas geyser, in 2 different situations. Should you choose not to take a controller the temperatures will be pre-set.
 
Paloma Deluxe Controller features:
Allows you to pre-set 2 different water temperatures for general use or for when the bath-fill function is in operation;
Includes a voice prompt;
Comes with a bath-fill function to turn off the “hot water” bath tap when the bath has reached the desired level;
Available for bathroom;
Bathroom max temperature can be set to 50’C;