Patent ID: 6282370
Filing Date: 2001-08-28
Classification: A61H,F24H,H02H

Abstract:
A heating and control system for bathers, comprising:an electronic controller;an electric heater assembly connected in a water flow path for heating water passing therethrough, comprising a heater housing and electric heater element, the controller arranged to control the operation of the heater element;water temperature sensor apparatus providing electrical temperature signals to the controller indicative of water temperature at separated first and second locations on or within said heater housing or a combination thereof;water presence sensor apparatus to determine the presence or absence of water within said heater housing, and to provide electrical water presence signals to the controller indicative of the presence or absence of a body of water within the heater housing;the controller responsive to signals from the water temperature sensor apparatus and the electrical water presence signals to control the heater element, said controller responsive to said electrical water presence signals indicating the absence of a body of water within the heater housing to disable operation of the heater element, and to automatically enable operation of the heater element upon subsequent receipt of water presence signals indicating the presence of a body of water within the heater housing.