Patent ID: 6137955
Filing Date: 2000-10-24
Classification: F24H

Abstract:
A water heater heating element comprising:a heat transmissive base member adapted to extend through and sealingly engage a wall of a water heater tank, said base member having a recess;a thermistor positioned in said recess;members electrically connected to said thermistor and extending outwardly of said base member to transmit temperature information to a controller;a sheathing sealed to and extending outwardly from said base member and into said water heater tank;a heating coil positioned within said sheathing;cold pins mounted to said base member and electrically connected to opposed ends of said heating coil, said cold pins being sufficiently long that heat generated by said heating coil is not substantially detected by said thermistor; andmembers extending outwardly of said base member and electrically connected to said cold pins and a power source to transmit power to said heating coil.