1 RECENTELY HAD THE ABOVE MENTIONED UNIT INSTALLED IT CAME WITH TWO REMOTE CONTROLS ONE FOR THE KITCHEN & THE OTHER FOR THE BATHROOM I ONLY HAD THE KITCHEN CONTROLLER INSTALLED BUT THE MAXIMUN TEMPRATURE THAT I CAN ACHIEVE IS 48 DEGREES CENTIGRADE THE PLUMBER WHO INSTALLED THE UNIT IS STATING THAT THIS IS TO AVOID SCALDING BUT ON READING THE LITERATURE THAT CAME WITH THE UNIT IT STATES THAT THE KITCHEN CONTROLLER CAN ACHIEVE A MAXIMUN TEMP OF 75 DEGREES CENTIGRADE AND THAT INITIALLY THE KITCHEN CONTROLLER HAS BEEN SET AT APPROX 40 DEGREES CENTIGRADE AT THE FACTORY CAN YOU PLEASE ADVISE ON HOW TO ACHIEVE THIS.